21041996

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{547}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 37746240

約数和(自身を除く): 16704244

約数列:

[1, 2, 4, 59, 118, 163, 236, 326, 547, 652, 1094, 2188, 9617, 19234, 32273, 38468, 64546, 89161, 129092, 178322, 356644, 5260499, 10520998, 21041996]

約数ペア:

[(1, 21041996), (2, 10520998), (4, 5260499), (59, 356644), (118, 178322), (163, 129092), (236, 89161), (326, 64546), (547, 38468), (652, 32273), (1094, 19234), (2188, 9617)]