21485294

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8059}}^1$

素因数の和:8135

約数の個数: 16

約数和(自身を含む): 34045440

約数和(自身を除く): 12560146

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8059, 16118, 249829, 346537, 499658, 693074, 10742647, 21485294]

約数ペア:

[(1, 21485294), (2, 10742647), (31, 693074), (43, 499658), (62, 346537), (86, 249829), (1333, 16118), (2666, 8059)]