21904960

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:169

約数の個数: 168

約数和(自身を含む): 66714624

約数和(自身を除く): 44809664

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 127, 140, 154, 160, 176, 196, 220, 224, 245, 254, 280, 308, 320, 352, 385, 392, 440, 448, 490, 508, 539, 560, 616, 635, 704, 770, 784, 880, 889, 980, 1016, 1078, 1120, 1232, 1270, 1397, 1540, 1568, 1760, 1778, 1960, 2032, 2156, 2240, 2464, 2540, 2695, 2794, 3080, 3136, 3520, 3556, 3920, 4064, 4312, 4445, 4928, 5080, 5390, 5588, 6160, 6223, 6985, 7112, 7840, 8128, 8624, 8890, 9779, 10160, 10780, 11176, 12320, 12446, 13970, 14224, 15680, 17248, 17780, 19558, 20320, 21560, 22352, 24640, 24892, 27940, 28448, 31115, 34496, 35560, 39116, 40640, 43120, 44704, 48895, 49784, 55880, 56896, 62230, 68453, 71120, 78232, 86240, 89408, 97790, 99568, 111760, 124460, 136906, 142240, 156464, 172480, 195580, 199136, 223520, 248920, 273812, 284480, 312928, 342265, 391160, 398272, 447040, 497840, 547624, 625856, 684530, 782320, 995680, 1095248, 1369060, 1564640, 1991360, 2190496, 2738120, 3129280, 4380992, 5476240, 10952480, 21904960]

約数ペア:

[(1, 21904960), (2, 10952480), (4, 5476240), (5, 4380992), (7, 3129280), (8, 2738120), (10, 2190496), (11, 1991360), (14, 1564640), (16, 1369060), (20, 1095248), (22, 995680), (28, 782320), (32, 684530), (35, 625856), (40, 547624), (44, 497840), (49, 447040), (55, 398272), (56, 391160), (64, 342265), (70, 312928), (77, 284480), (80, 273812), (88, 248920), (98, 223520), (110, 199136), (112, 195580), (127, 172480), (140, 156464), (154, 142240), (160, 136906), (176, 124460), (196, 111760), (220, 99568), (224, 97790), (245, 89408), (254, 86240), (280, 78232), (308, 71120), (320, 68453), (352, 62230), (385, 56896), (392, 55880), (440, 49784), (448, 48895), (490, 44704), (508, 43120), (539, 40640), (560, 39116), (616, 35560), (635, 34496), (704, 31115), (770, 28448), (784, 27940), (880, 24892), (889, 24640), (980, 22352), (1016, 21560), (1078, 20320), (1120, 19558), (1232, 17780), (1270, 17248), (1397, 15680), (1540, 14224), (1568, 13970), (1760, 12446), (1778, 12320), (1960, 11176), (2032, 10780), (2156, 10160), (2240, 9779), (2464, 8890), (2540, 8624), (2695, 8128), (2794, 7840), (3080, 7112), (3136, 6985), (3520, 6223), (3556, 6160), (3920, 5588), (4064, 5390), (4312, 5080), (4445, 4928)]