21167222839

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1\times {\mathrm{55339}}^1$

素因数の和:56430

約数の個数: 16

約数和(自身を含む): 24671900160

約数和(自身を除く): 3504677321

約数列:

[1, 7, 53, 371, 1031, 7217, 54643, 55339, 382501, 387373, 2932967, 20530769, 57054509, 399381563, 3023888977, 21167222839]

約数ペア:

[(1, 21167222839), (7, 3023888977), (53, 399381563), (371, 57054509), (1031, 20530769), (7217, 2932967), (54643, 387373), (55339, 382501)]