21328082204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{525167}}^1$

素因数の和:525266

約数の個数: 48

約数和(自身を含む): 44467024896

約数和(自身を除く): 23138942692

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 3124, 3692, 10153, 20306, 40612, 525167, 1050334, 2100668, 5776837, 6827171, 11553674, 13654342, 23107348, 27308684, 37286857, 74573714, 75098881, 149147428, 150197762, 300395524, 410155427, 484729141, 820310854, 969458282, 1640621708, 1938916564, 5332020551, 10664041102, 21328082204]

約数ペア:

[(1, 21328082204), (2, 10664041102), (4, 5332020551), (11, 1938916564), (13, 1640621708), (22, 969458282), (26, 820310854), (44, 484729141), (52, 410155427), (71, 300395524), (142, 150197762), (143, 149147428), (284, 75098881), (286, 74573714), (572, 37286857), (781, 27308684), (923, 23107348), (1562, 13654342), (1846, 11553674), (3124, 6827171), (3692, 5776837), (10153, 2100668), (20306, 1050334), (40612, 525167)]