21818748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2383}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 58741760

約数和(自身を除く): 36923012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 2383, 3052, 4578, 4766, 7149, 9156, 9532, 14298, 16681, 28596, 33362, 50043, 66724, 100086, 200172, 259747, 519494, 779241, 1038988, 1558482, 1818229, 3116964, 3636458, 5454687, 7272916, 10909374, 21818748]

約数ペア:

[(1, 21818748), (2, 10909374), (3, 7272916), (4, 5454687), (6, 3636458), (7, 3116964), (12, 1818229), (14, 1558482), (21, 1038988), (28, 779241), (42, 519494), (84, 259747), (109, 200172), (218, 100086), (327, 66724), (436, 50043), (654, 33362), (763, 28596), (1308, 16681), (1526, 14298), (2289, 9532), (2383, 9156), (3052, 7149), (4578, 4766)]