21785712

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34913}}^1$

素因数の和:34937

約数の個数: 40

約数和(自身を含む): 60610704

約数和(自身を除く): 38824992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34913, 69826, 104739, 139652, 209478, 279304, 418956, 453869, 558608, 837912, 907738, 1361607, 1675824, 1815476, 2723214, 3630952, 5446428, 7261904, 10892856, 21785712]

約数ペア:

[(1, 21785712), (2, 10892856), (3, 7261904), (4, 5446428), (6, 3630952), (8, 2723214), (12, 1815476), (13, 1675824), (16, 1361607), (24, 907738), (26, 837912), (39, 558608), (48, 453869), (52, 418956), (78, 279304), (104, 209478), (156, 139652), (208, 104739), (312, 69826), (624, 34913)]