21248736

素因数分解:

$2^5\times 3^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 34770864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 389, 569, 778, 1138, 1167, 1556, 1707, 2276, 2334, 3112, 3414, 4552, 4668, 6224, 6828, 9104, 9336, 12448, 13656, 18208, 18672, 27312, 37344, 54624, 221341, 442682, 664023, 885364, 1328046, 1770728, 2656092, 3541456, 5312184, 7082912, 10624368, 21248736]

約数ペア:

[(1, 21248736), (2, 10624368), (3, 7082912), (4, 5312184), (6, 3541456), (8, 2656092), (12, 1770728), (16, 1328046), (24, 885364), (32, 664023), (48, 442682), (96, 221341), (389, 54624), (569, 37344), (778, 27312), (1138, 18672), (1167, 18208), (1556, 13656), (1707, 12448), (2276, 9336), (2334, 9104), (3112, 6828), (3414, 6224), (4552, 4668)]