21629688

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20959}}^1$

素因数の和:21011

約数の個数: 32

約数和(自身を含む): 55334400

約数和(自身を除く): 33704712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20959, 41918, 62877, 83836, 125754, 167672, 251508, 503016, 901237, 1802474, 2703711, 3604948, 5407422, 7209896, 10814844, 21629688]

約数ペア:

[(1, 21629688), (2, 10814844), (3, 7209896), (4, 5407422), (6, 3604948), (8, 2703711), (12, 1802474), (24, 901237), (43, 503016), (86, 251508), (129, 167672), (172, 125754), (258, 83836), (344, 62877), (516, 41918), (1032, 20959)]