21856814

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{36307}}^1$

素因数の和:36359

約数の個数: 16

約数和(自身を含む): 38341248

約数和(自身を除く): 16484434

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 36307, 72614, 254149, 508298, 1561201, 3122402, 10928407, 21856814]

約数ペア:

[(1, 21856814), (2, 10928407), (7, 3122402), (14, 1561201), (43, 508298), (86, 254149), (301, 72614), (602, 36307)]