21860642

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3491}}^1$

素因数の和:3625

約数の個数: 16

約数和(自身を含む): 34193664

約数和(自身を除く): 12333022

約数列:

[1, 2, 31, 62, 101, 202, 3131, 3491, 6262, 6982, 108221, 216442, 352591, 705182, 10930321, 21860642]

約数ペア:

[(1, 21860642), (2, 10930321), (31, 705182), (62, 352591), (101, 216442), (202, 108221), (3131, 6982), (3491, 6262)]