21984716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3329}}^1$

素因数の和:3473

約数の個数: 24

約数和(自身を含む): 41771520

約数和(自身を除く): 19786804

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 3329, 6604, 6658, 13316, 43277, 86554, 173108, 422783, 845566, 1691132, 5496179, 10992358, 21984716]

約数ペア:

[(1, 21984716), (2, 10992358), (4, 5496179), (13, 1691132), (26, 845566), (52, 422783), (127, 173108), (254, 86554), (508, 43277), (1651, 13316), (3302, 6658), (3329, 6604)]