21080962

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28411}}^1$

素因数の和:28473

約数の個数: 16

約数和(自身を含む): 36821952

約数和(自身を除く): 15740990

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28411, 56822, 198877, 397754, 1505783, 3011566, 10540481, 21080962]

約数ペア:

[(1, 21080962), (2, 10540481), (7, 3011566), (14, 1505783), (53, 397754), (106, 198877), (371, 56822), (742, 28411)]