21664552

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29759}}^1$

素因数の和:29785

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 28332248

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29759, 59518, 119036, 208313, 238072, 386867, 416626, 773734, 833252, 1547468, 1666504, 2708069, 3094936, 5416138, 10832276, 21664552]

約数ペア:

[(1, 21664552), (2, 10832276), (4, 5416138), (7, 3094936), (8, 2708069), (13, 1666504), (14, 1547468), (26, 833252), (28, 773734), (52, 416626), (56, 386867), (91, 238072), (104, 208313), (182, 119036), (364, 59518), (728, 29759)]