21352276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25541}}^1$

素因数の和:25575

約数の個数: 24

約数和(自身を含む): 42910560

約数和(自身を除く): 21558284

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25541, 51082, 102164, 280951, 485279, 561902, 970558, 1123804, 1941116, 5338069, 10676138, 21352276]

約数ペア:

[(1, 21352276), (2, 10676138), (4, 5338069), (11, 1941116), (19, 1123804), (22, 970558), (38, 561902), (44, 485279), (76, 280951), (209, 102164), (418, 51082), (836, 25541)]