21227264

素因数分解:

$2^8\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:592

約数の個数: 36

約数和(自身を含む): 42666456

約数和(自身を除く): 21439192

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 283, 293, 566, 586, 1132, 1172, 2264, 2344, 4528, 4688, 9056, 9376, 18112, 18752, 36224, 37504, 72448, 75008, 82919, 165838, 331676, 663352, 1326704, 2653408, 5306816, 10613632, 21227264]

約数ペア:

[(1, 21227264), (2, 10613632), (4, 5306816), (8, 2653408), (16, 1326704), (32, 663352), (64, 331676), (128, 165838), (256, 82919), (283, 75008), (293, 72448), (566, 37504), (586, 36224), (1132, 18752), (1172, 18112), (2264, 9376), (2344, 9056), (4528, 4688)]