21709210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{114259}}^1$

素因数の和:114285

約数の個数: 16

約数和(自身を含む): 41133600

約数和(自身を除く): 19424390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 114259, 228518, 571295, 1142590, 2170921, 4341842, 10854605, 21709210]

約数ペア:

[(1, 21709210), (2, 10854605), (5, 4341842), (10, 2170921), (19, 1142590), (38, 571295), (95, 228518), (190, 114259)]