21144195

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7013}}^1$

素因数の和:7091

約数の個数: 24

約数和(自身を含む): 37202256

約数和(自身を除く): 16058061

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 7013, 21039, 35065, 63117, 105195, 315585, 469871, 1409613, 2349355, 4228839, 7048065, 21144195]

約数ペア:

[(1, 21144195), (3, 7048065), (5, 4228839), (9, 2349355), (15, 1409613), (45, 469871), (67, 315585), (201, 105195), (335, 63117), (603, 35065), (1005, 21039), (3015, 7013)]