21886310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4153}}^1$

素因数の和:4208

約数の個数: 32

約数和(自身を含む): 43068672

約数和(自身を除く): 21182362

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 4153, 5270, 8306, 20765, 41530, 70601, 128743, 141202, 257486, 353005, 643715, 706010, 1287430, 2188631, 4377262, 10943155, 21886310]

約数ペア:

[(1, 21886310), (2, 10943155), (5, 4377262), (10, 2188631), (17, 1287430), (31, 706010), (34, 643715), (62, 353005), (85, 257486), (155, 141202), (170, 128743), (310, 70601), (527, 41530), (1054, 20765), (2635, 8306), (4153, 5270)]