21803838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12073}}^1$

素因数の和:12128

約数の個数: 32

約数和(自身を含む): 51000576

約数和(自身を除く): 29196738

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 12073, 24146, 36219, 72438, 84511, 169022, 253533, 507066, 519139, 1038278, 1557417, 3114834, 3633973, 7267946, 10901919, 21803838]

約数ペア:

[(1, 21803838), (2, 10901919), (3, 7267946), (6, 3633973), (7, 3114834), (14, 1557417), (21, 1038278), (42, 519139), (43, 507066), (86, 253533), (129, 169022), (258, 84511), (301, 72438), (602, 36219), (903, 24146), (1806, 12073)]