21466510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 42309792

約数和(自身を除く): 20843282

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2707, 3965, 5414, 7930, 13535, 27070, 35191, 70382, 165127, 175955, 330254, 351910, 825635, 1651270, 2146651, 4293302, 10733255, 21466510]

約数ペア:

[(1, 21466510), (2, 10733255), (5, 4293302), (10, 2146651), (13, 1651270), (26, 825635), (61, 351910), (65, 330254), (122, 175955), (130, 165127), (305, 70382), (610, 35191), (793, 27070), (1586, 13535), (2707, 7930), (3965, 5414)]