21359016

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42379}}^1$

素因数の和:42398

約数の個数: 48

約数和(自身を含む): 66112800

約数和(自身を除く): 44753784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42379, 84758, 127137, 169516, 254274, 296653, 339032, 381411, 508548, 593306, 762822, 889959, 1017096, 1186612, 1525644, 1779918, 2373224, 2669877, 3051288, 3559836, 5339754, 7119672, 10679508, 21359016]

約数ペア:

[(1, 21359016), (2, 10679508), (3, 7119672), (4, 5339754), (6, 3559836), (7, 3051288), (8, 2669877), (9, 2373224), (12, 1779918), (14, 1525644), (18, 1186612), (21, 1017096), (24, 889959), (28, 762822), (36, 593306), (42, 508548), (56, 381411), (63, 339032), (72, 296653), (84, 254274), (126, 169516), (168, 127137), (252, 84758), (504, 42379)]