21213396

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7459}}^1$

素因数の和:7548

約数の個数: 36

約数和(自身を含む): 54308800

約数和(自身を除く): 33095404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7459, 14918, 22377, 29836, 44754, 67131, 89508, 134262, 268524, 589261, 1178522, 1767783, 2357044, 3535566, 5303349, 7071132, 10606698, 21213396]

約数ペア:

[(1, 21213396), (2, 10606698), (3, 7071132), (4, 5303349), (6, 3535566), (9, 2357044), (12, 1767783), (18, 1178522), (36, 589261), (79, 268524), (158, 134262), (237, 89508), (316, 67131), (474, 44754), (711, 29836), (948, 22377), (1422, 14918), (2844, 7459)]