21021218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3067}}^1$

素因数の和:3241

約数の個数: 16

約数和(自身を含む): 33134400

約数和(自身を除く): 12113182

約数列:

[1, 2, 23, 46, 149, 298, 3067, 3427, 6134, 6854, 70541, 141082, 456983, 913966, 10510609, 21021218]

約数ペア:

[(1, 21021218), (2, 10510609), (23, 913966), (46, 456983), (149, 141082), (298, 70541), (3067, 6854), (3427, 6134)]