21908643813

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15119837}}^1$

素因数の和:15119873

約数の個数: 24

約数和(自身を含む): 37739115648

約数和(自身を除く): 15830471835

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 15119837, 45359511, 105838859, 136078533, 317516577, 347756251, 952549731, 1043268753, 2434293757, 3129806259, 7302881271, 21908643813]

約数ペア:

[(1, 21908643813), (3, 7302881271), (7, 3129806259), (9, 2434293757), (21, 1043268753), (23, 952549731), (63, 347756251), (69, 317516577), (161, 136078533), (207, 105838859), (483, 45359511), (1449, 15119837)]