21557029688

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{311}}^1\times {\mathrm{6329}}^1$

素因数の和:6720

約数の個数: 48

約数和(自身を含む): 41681530800

約数和(自身を除く): 20124501112

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 311, 622, 1244, 1369, 2488, 2738, 5476, 6329, 10952, 11507, 12658, 23014, 25316, 46028, 50632, 92056, 234173, 425759, 468346, 851518, 936692, 1703036, 1873384, 1968319, 3406072, 3936638, 7873276, 8664401, 15746552, 17328802, 34657604, 69315208, 72827803, 145655606, 291311212, 582622424, 2694628711, 5389257422, 10778514844, 21557029688]

約数ペア:

[(1, 21557029688), (2, 10778514844), (4, 5389257422), (8, 2694628711), (37, 582622424), (74, 291311212), (148, 145655606), (296, 72827803), (311, 69315208), (622, 34657604), (1244, 17328802), (1369, 15746552), (2488, 8664401), (2738, 7873276), (5476, 3936638), (6329, 3406072), (10952, 1968319), (11507, 1873384), (12658, 1703036), (23014, 936692), (25316, 851518), (46028, 468346), (50632, 425759), (92056, 234173)]