21901870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6067}}^1$

素因数の和:6112

約数の個数: 24

約数和(自身を含む): 41614344

約数和(自身を除く): 19712474

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 6067, 12134, 30335, 60670, 115273, 230546, 576365, 1152730, 2190187, 4380374, 10950935, 21901870]

約数ペア:

[(1, 21901870), (2, 10950935), (5, 4380374), (10, 2190187), (19, 1152730), (38, 576365), (95, 230546), (190, 115273), (361, 60670), (722, 30335), (1805, 12134), (3610, 6067)]