21360896

素因数分解:

$2^8\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:658

約数の個数: 36

約数和(自身を含む): 42966924

約数和(自身を除く): 21606028

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 256, 362, 461, 724, 922, 1448, 1844, 2896, 3688, 5792, 7376, 11584, 14752, 23168, 29504, 46336, 59008, 83441, 118016, 166882, 333764, 667528, 1335056, 2670112, 5340224, 10680448, 21360896]

約数ペア:

[(1, 21360896), (2, 10680448), (4, 5340224), (8, 2670112), (16, 1335056), (32, 667528), (64, 333764), (128, 166882), (181, 118016), (256, 83441), (362, 59008), (461, 46336), (724, 29504), (922, 23168), (1448, 14752), (1844, 11584), (2896, 7376), (3688, 5792)]