21110896

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 21386384

約数列:

[1, 2, 4, 8, 16, 47, 67, 94, 134, 188, 268, 376, 419, 536, 752, 838, 1072, 1676, 3149, 3352, 6298, 6704, 12596, 19693, 25192, 28073, 39386, 50384, 56146, 78772, 112292, 157544, 224584, 315088, 449168, 1319431, 2638862, 5277724, 10555448, 21110896]

約数ペア:

[(1, 21110896), (2, 10555448), (4, 5277724), (8, 2638862), (16, 1319431), (47, 449168), (67, 315088), (94, 224584), (134, 157544), (188, 112292), (268, 78772), (376, 56146), (419, 50384), (536, 39386), (752, 28073), (838, 25192), (1072, 19693), (1676, 12596), (3149, 6704), (3352, 6298)]