21162285

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7019}}^1$

素因数の和:7097

約数の個数: 24

約数和(自身を含む): 37234080

約数和(自身を除く): 16071795

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 7019, 21057, 35095, 63171, 105285, 315855, 470273, 1410819, 2351365, 4232457, 7054095, 21162285]

約数ペア:

[(1, 21162285), (3, 7054095), (5, 4232457), (9, 2351365), (15, 1410819), (45, 470273), (67, 315855), (201, 105285), (335, 63171), (603, 35095), (1005, 21057), (3015, 7019)]