21297752

素因数分解:

$2^3\times 7^2\times {\mathrm{54331}}^1$

素因数の和:54351

約数の個数: 24

約数和(自身を含む): 46453860

約数和(自身を除く): 25156108

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54331, 108662, 217324, 380317, 434648, 760634, 1521268, 2662219, 3042536, 5324438, 10648876, 21297752]

約数ペア:

[(1, 21297752), (2, 10648876), (4, 5324438), (7, 3042536), (8, 2662219), (14, 1521268), (28, 760634), (49, 434648), (56, 380317), (98, 217324), (196, 108662), (392, 54331)]