21776307

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10267}}^1$

素因数の和:10378

約数の個数: 16

約数和(自身を含む): 33514752

約数和(自身を除く): 11738445

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 10267, 30801, 71869, 215607, 1036967, 3110901, 7258769, 21776307]

約数ペア:

[(1, 21776307), (3, 7258769), (7, 3110901), (21, 1036967), (101, 215607), (303, 71869), (707, 30801), (2121, 10267)]