21703630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2287}}^1$

素因数の和:2380

約数の個数: 32

約数和(自身を含む): 42666624

約数和(自身を除く): 20962994

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2287, 4574, 4745, 9490, 11435, 22870, 29731, 59462, 148655, 166951, 297310, 333902, 834755, 1669510, 2170363, 4340726, 10851815, 21703630]

約数ペア:

[(1, 21703630), (2, 10851815), (5, 4340726), (10, 2170363), (13, 1669510), (26, 834755), (65, 333902), (73, 297310), (130, 166951), (146, 148655), (365, 59462), (730, 29731), (949, 22870), (1898, 11435), (2287, 9490), (4574, 4745)]