21264888958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{906973}}^1$

素因数の和:907611

約数の個数: 16

約数和(自身を含む): 33630595920

約数和(自身を除く): 12365706962

約数列:

[1, 2, 19, 38, 617, 1234, 11723, 23446, 906973, 1813946, 17232487, 34464974, 559602341, 1119204682, 10632444479, 21264888958]

約数ペア:

[(1, 21264888958), (2, 10632444479), (19, 1119204682), (38, 559602341), (617, 34464974), (1234, 17232487), (11723, 1813946), (23446, 906973)]