20211478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75983}}^1$

素因数の和:76011

約数の個数: 16

約数和(自身を含む): 36472320

約数和(自身を除く): 16260842

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75983, 151966, 531881, 1063762, 1443677, 2887354, 10105739, 20211478]

約数ペア:

[(1, 20211478), (2, 10105739), (7, 2887354), (14, 1443677), (19, 1063762), (38, 531881), (133, 151966), (266, 75983)]