21986484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140939}}^1$

素因数の和:140959

約数の個数: 24

約数和(自身を含む): 55248480

約数和(自身を除く): 33261996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140939, 281878, 422817, 563756, 845634, 1691268, 1832207, 3664414, 5496621, 7328828, 10993242, 21986484]

約数ペア:

[(1, 21986484), (2, 10993242), (3, 7328828), (4, 5496621), (6, 3664414), (12, 1832207), (13, 1691268), (26, 845634), (39, 563756), (52, 422817), (78, 281878), (156, 140939)]