21015545600

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6607}}^1$

素因数の和:6711

約数の個数: 216

約数和(自身を含む): 60294140928

約数和(自身を除く): 39278595328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 71, 80, 100, 112, 128, 140, 142, 160, 175, 200, 224, 256, 280, 284, 320, 350, 355, 400, 448, 497, 560, 568, 640, 700, 710, 800, 896, 994, 1120, 1136, 1280, 1400, 1420, 1600, 1775, 1792, 1988, 2240, 2272, 2485, 2800, 2840, 3200, 3550, 3976, 4480, 4544, 4970, 5600, 5680, 6400, 6607, 7100, 7952, 8960, 9088, 9940, 11200, 11360, 12425, 13214, 14200, 15904, 18176, 19880, 22400, 22720, 24850, 26428, 28400, 31808, 33035, 39760, 44800, 45440, 46249, 49700, 52856, 56800, 63616, 66070, 79520, 90880, 92498, 99400, 105712, 113600, 127232, 132140, 159040, 165175, 184996, 198800, 211424, 227200, 231245, 264280, 318080, 330350, 369992, 397600, 422848, 454400, 462490, 469097, 528560, 636160, 660700, 739984, 795200, 845696, 924980, 938194, 1057120, 1156225, 1321400, 1479968, 1590400, 1691392, 1849960, 1876388, 2114240, 2312450, 2345485, 2642800, 2959936, 3180800, 3283679, 3699920, 3752776, 4228480, 4624900, 4690970, 5285600, 5919872, 6567358, 7399840, 7505552, 8456960, 9249800, 9381940, 10571200, 11727425, 11839744, 13134716, 14799680, 15011104, 16418395, 18499600, 18763880, 21142400, 23454850, 26269432, 29599360, 30022208, 32836790, 36999200, 37527760, 42284800, 46909700, 52538864, 59198720, 60044416, 65673580, 73998400, 75055520, 82091975, 93819400, 105077728, 120088832, 131347160, 147996800, 150111040, 164183950, 187638800, 210155456, 262694320, 295993600, 300222080, 328367900, 375277600, 420310912, 525388640, 600444160, 656735800, 750555200, 840621824, 1050777280, 1313471600, 1501110400, 2101554560, 2626943200, 3002220800, 4203109120, 5253886400, 10507772800, 21015545600]

約数ペア:

[(1, 21015545600), (2, 10507772800), (4, 5253886400), (5, 4203109120), (7, 3002220800), (8, 2626943200), (10, 2101554560), (14, 1501110400), (16, 1313471600), (20, 1050777280), (25, 840621824), (28, 750555200), (32, 656735800), (35, 600444160), (40, 525388640), (50, 420310912), (56, 375277600), (64, 328367900), (70, 300222080), (71, 295993600), (80, 262694320), (100, 210155456), (112, 187638800), (128, 164183950), (140, 150111040), (142, 147996800), (160, 131347160), (175, 120088832), (200, 105077728), (224, 93819400), (256, 82091975), (280, 75055520), (284, 73998400), (320, 65673580), (350, 60044416), (355, 59198720), (400, 52538864), (448, 46909700), (497, 42284800), (560, 37527760), (568, 36999200), (640, 32836790), (700, 30022208), (710, 29599360), (800, 26269432), (896, 23454850), (994, 21142400), (1120, 18763880), (1136, 18499600), (1280, 16418395), (1400, 15011104), (1420, 14799680), (1600, 13134716), (1775, 11839744), (1792, 11727425), (1988, 10571200), (2240, 9381940), (2272, 9249800), (2485, 8456960), (2800, 7505552), (2840, 7399840), (3200, 6567358), (3550, 5919872), (3976, 5285600), (4480, 4690970), (4544, 4624900), (4970, 4228480), (5600, 3752776), (5680, 3699920), (6400, 3283679), (6607, 3180800), (7100, 2959936), (7952, 2642800), (8960, 2345485), (9088, 2312450), (9940, 2114240), (11200, 1876388), (11360, 1849960), (12425, 1691392), (13214, 1590400), (14200, 1479968), (15904, 1321400), (18176, 1156225), (19880, 1057120), (22400, 938194), (22720, 924980), (24850, 845696), (26428, 795200), (28400, 739984), (31808, 660700), (33035, 636160), (39760, 528560), (44800, 469097), (45440, 462490), (46249, 454400), (49700, 422848), (52856, 397600), (56800, 369992), (63616, 330350), (66070, 318080), (79520, 264280), (90880, 231245), (92498, 227200), (99400, 211424), (105712, 198800), (113600, 184996), (127232, 165175), (132140, 159040)]