21004256442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1\times {\mathrm{2801}}^1$

素因数の和:3703

約数の個数: 64

約数和(自身を含む): 45672689664

約数和(自身を除く): 24668433222

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 757, 762, 1514, 1651, 2271, 2801, 3302, 4542, 4953, 5602, 8403, 9841, 9906, 16806, 19682, 29523, 36413, 59046, 72826, 96139, 109239, 192278, 218478, 288417, 355727, 576834, 711454, 1067181, 1249807, 2120357, 2134362, 2499614, 3749421, 4240714, 4624451, 6361071, 7498842, 9248902, 12722142, 13873353, 27564641, 27746706, 55129282, 82693923, 165387846, 269285339, 538570678, 807856017, 1615712034, 3500709407, 7001418814, 10502128221, 21004256442]

約数ペア:

[(1, 21004256442), (2, 10502128221), (3, 7001418814), (6, 3500709407), (13, 1615712034), (26, 807856017), (39, 538570678), (78, 269285339), (127, 165387846), (254, 82693923), (381, 55129282), (757, 27746706), (762, 27564641), (1514, 13873353), (1651, 12722142), (2271, 9248902), (2801, 7498842), (3302, 6361071), (4542, 4624451), (4953, 4240714), (5602, 3749421), (8403, 2499614), (9841, 2134362), (9906, 2120357), (16806, 1249807), (19682, 1067181), (29523, 711454), (36413, 576834), (59046, 355727), (72826, 288417), (96139, 218478), (109239, 192278)]