21943870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2861}}^1$

素因数の和:2940

約数の個数: 32

約数和(自身を含む): 43273440

約数和(自身を除く): 21329570

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2861, 3835, 5722, 7670, 14305, 28610, 37193, 74386, 168799, 185965, 337598, 371930, 843995, 1687990, 2194387, 4388774, 10971935, 21943870]

約数ペア:

[(1, 21943870), (2, 10971935), (5, 4388774), (10, 2194387), (13, 1687990), (26, 843995), (59, 371930), (65, 337598), (118, 185965), (130, 168799), (295, 74386), (590, 37193), (767, 28610), (1534, 14305), (2861, 7670), (3835, 5722)]