21065400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 74995200

約数和(自身を除く): 53929800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 47, 50, 54, 60, 72, 75, 83, 90, 94, 100, 108, 120, 135, 141, 150, 166, 180, 188, 200, 216, 225, 235, 249, 270, 282, 300, 332, 360, 376, 415, 423, 450, 470, 498, 540, 564, 600, 664, 675, 705, 747, 830, 846, 900, 940, 996, 1080, 1128, 1175, 1245, 1269, 1350, 1410, 1494, 1660, 1692, 1800, 1880, 1992, 2075, 2115, 2241, 2350, 2490, 2538, 2700, 2820, 2988, 3320, 3384, 3525, 3735, 3901, 4150, 4230, 4482, 4700, 4980, 5076, 5400, 5640, 5976, 6225, 6345, 7050, 7470, 7802, 8300, 8460, 8964, 9400, 9960, 10152, 10575, 11205, 11703, 12450, 12690, 14100, 14940, 15604, 16600, 16920, 17928, 18675, 19505, 21150, 22410, 23406, 24900, 25380, 28200, 29880, 31208, 31725, 35109, 37350, 39010, 42300, 44820, 46812, 49800, 50760, 56025, 58515, 63450, 70218, 74700, 78020, 84600, 89640, 93624, 97525, 105327, 112050, 117030, 126900, 140436, 149400, 156040, 175545, 195050, 210654, 224100, 234060, 253800, 280872, 292575, 351090, 390100, 421308, 448200, 468120, 526635, 585150, 702180, 780200, 842616, 877725, 1053270, 1170300, 1404360, 1755450, 2106540, 2340600, 2633175, 3510900, 4213080, 5266350, 7021800, 10532700, 21065400]

約数ペア:

[(1, 21065400), (2, 10532700), (3, 7021800), (4, 5266350), (5, 4213080), (6, 3510900), (8, 2633175), (9, 2340600), (10, 2106540), (12, 1755450), (15, 1404360), (18, 1170300), (20, 1053270), (24, 877725), (25, 842616), (27, 780200), (30, 702180), (36, 585150), (40, 526635), (45, 468120), (47, 448200), (50, 421308), (54, 390100), (60, 351090), (72, 292575), (75, 280872), (83, 253800), (90, 234060), (94, 224100), (100, 210654), (108, 195050), (120, 175545), (135, 156040), (141, 149400), (150, 140436), (166, 126900), (180, 117030), (188, 112050), (200, 105327), (216, 97525), (225, 93624), (235, 89640), (249, 84600), (270, 78020), (282, 74700), (300, 70218), (332, 63450), (360, 58515), (376, 56025), (415, 50760), (423, 49800), (450, 46812), (470, 44820), (498, 42300), (540, 39010), (564, 37350), (600, 35109), (664, 31725), (675, 31208), (705, 29880), (747, 28200), (830, 25380), (846, 24900), (900, 23406), (940, 22410), (996, 21150), (1080, 19505), (1128, 18675), (1175, 17928), (1245, 16920), (1269, 16600), (1350, 15604), (1410, 14940), (1494, 14100), (1660, 12690), (1692, 12450), (1800, 11703), (1880, 11205), (1992, 10575), (2075, 10152), (2115, 9960), (2241, 9400), (2350, 8964), (2490, 8460), (2538, 8300), (2700, 7802), (2820, 7470), (2988, 7050), (3320, 6345), (3384, 6225), (3525, 5976), (3735, 5640), (3901, 5400), (4150, 5076), (4230, 4980), (4482, 4700)]