21993246

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 52301808

約数和(自身を除く): 30308562

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 277, 401, 554, 802, 831, 1203, 1662, 2406, 2493, 3047, 3609, 4411, 4986, 6094, 7218, 8822, 9141, 13233, 18282, 26466, 27423, 39699, 54846, 79398, 111077, 222154, 333231, 666462, 999693, 1221847, 1999386, 2443694, 3665541, 7331082, 10996623, 21993246]

約数ペア:

[(1, 21993246), (2, 10996623), (3, 7331082), (6, 3665541), (9, 2443694), (11, 1999386), (18, 1221847), (22, 999693), (33, 666462), (66, 333231), (99, 222154), (198, 111077), (277, 79398), (401, 54846), (554, 39699), (802, 27423), (831, 26466), (1203, 18282), (1662, 13233), (2406, 9141), (2493, 8822), (3047, 7218), (3609, 6094), (4411, 4986)]