21051342

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89963}}^1$

素因数の和:89984

約数の個数: 24

約数和(自身を含む): 49120344

約数和(自身を除く): 28069002

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89963, 179926, 269889, 539778, 809667, 1169519, 1619334, 2339038, 3508557, 7017114, 10525671, 21051342]

約数ペア:

[(1, 21051342), (2, 10525671), (3, 7017114), (6, 3508557), (9, 2339038), (13, 1619334), (18, 1169519), (26, 809667), (39, 539778), (78, 269889), (117, 179926), (234, 89963)]