21016135

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26107}}^1$

素因数の和:26142

約数の個数: 16

約数和(自身を含む): 30076416

約数和(自身を除く): 9060281

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26107, 130535, 182749, 600461, 913745, 3002305, 4203227, 21016135]

約数ペア:

[(1, 21016135), (5, 4203227), (7, 3002305), (23, 913745), (35, 600461), (115, 182749), (161, 130535), (805, 26107)]