21021416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202129}}^1$

素因数の和:202148

約数の個数: 16

約数和(自身を含む): 42447300

約数和(自身を除く): 21425884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202129, 404258, 808516, 1617032, 2627677, 5255354, 10510708, 21021416]

約数ペア:

[(1, 21021416), (2, 10510708), (4, 5255354), (8, 2627677), (13, 1617032), (26, 808516), (52, 404258), (104, 202129)]