21804408

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9769}}^1$

素因数の和:9812

約数の個数: 48

約数和(自身を含む): 60964800

約数和(自身を除く): 39160392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9769, 19538, 29307, 39076, 58614, 78152, 87921, 117228, 175842, 234456, 302839, 351684, 605678, 703368, 908517, 1211356, 1817034, 2422712, 2725551, 3634068, 5451102, 7268136, 10902204, 21804408]

約数ペア:

[(1, 21804408), (2, 10902204), (3, 7268136), (4, 5451102), (6, 3634068), (8, 2725551), (9, 2422712), (12, 1817034), (18, 1211356), (24, 908517), (31, 703368), (36, 605678), (62, 351684), (72, 302839), (93, 234456), (124, 175842), (186, 117228), (248, 87921), (279, 78152), (372, 58614), (558, 39076), (744, 29307), (1116, 19538), (2232, 9769)]