21518796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137941}}^1$

素因数の和:137961

約数の個数: 24

約数和(自身を含む): 54073264

約数和(自身を除く): 32554468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137941, 275882, 413823, 551764, 827646, 1655292, 1793233, 3586466, 5379699, 7172932, 10759398, 21518796]

約数ペア:

[(1, 21518796), (2, 10759398), (3, 7172932), (4, 5379699), (6, 3586466), (12, 1793233), (13, 1655292), (26, 827646), (39, 551764), (52, 413823), (78, 275882), (156, 137941)]