21150535

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5867}}^1$

素因数の和:5982

約数の個数: 16

約数和(自身を含む): 29293056

約数和(自身を除く): 8142521

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 5867, 29335, 41069, 205345, 604301, 3021505, 4230107, 21150535]

約数ペア:

[(1, 21150535), (5, 4230107), (7, 3021505), (35, 604301), (103, 205345), (515, 41069), (721, 29335), (3605, 5867)]