21622636

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17959}}^1$

素因数の和:18013

約数の個数: 24

約数和(自身を含む): 44253440

約数和(自身を除く): 22630804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17959, 35918, 71836, 125713, 251426, 502852, 772237, 1544474, 3088948, 5405659, 10811318, 21622636]

約数ペア:

[(1, 21622636), (2, 10811318), (4, 5405659), (7, 3088948), (14, 1544474), (28, 772237), (43, 502852), (86, 251426), (172, 125713), (301, 71836), (602, 35918), (1204, 17959)]