21322652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{947}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 40320336

約数和(自身を除く): 18997684

約数列:

[1, 2, 4, 13, 26, 52, 433, 866, 947, 1732, 1894, 3788, 5629, 11258, 12311, 22516, 24622, 49244, 410051, 820102, 1640204, 5330663, 10661326, 21322652]

約数ペア:

[(1, 21322652), (2, 10661326), (4, 5330663), (13, 1640204), (26, 820102), (52, 410051), (433, 49244), (866, 24622), (947, 22516), (1732, 12311), (1894, 11258), (3788, 5629)]