21034156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3343}}^1$

素因数の和:3382

約数の個数: 36

約数和(自身を含む): 43585696

約数和(自身を除く): 22551540

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3343, 6292, 6686, 13372, 36773, 43459, 73546, 86918, 147092, 173836, 404503, 478049, 809006, 956098, 1618012, 1912196, 5258539, 10517078, 21034156]

約数ペア:

[(1, 21034156), (2, 10517078), (4, 5258539), (11, 1912196), (13, 1618012), (22, 956098), (26, 809006), (44, 478049), (52, 404503), (121, 173836), (143, 147092), (242, 86918), (286, 73546), (484, 43459), (572, 36773), (1573, 13372), (3146, 6686), (3343, 6292)]