21448401

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3691}}^1$

素因数の和:3856

約数の個数: 16

約数和(自身を含む): 31012800

約数和(自身を除く): 9564399

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3691, 5811, 11073, 47983, 143949, 549959, 1649877, 7149467, 21448401]

約数ペア:

[(1, 21448401), (3, 7149467), (13, 1649877), (39, 549959), (149, 143949), (447, 47983), (1937, 11073), (3691, 5811)]