21150376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4327}}^1$

素因数の和:4393

約数の個数: 32

約数和(自身を含む): 43626240

約数和(自身を除く): 22475864

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4327, 4888, 8654, 17308, 34616, 56251, 112502, 203369, 225004, 406738, 450008, 813476, 1626952, 2643797, 5287594, 10575188, 21150376]

約数ペア:

[(1, 21150376), (2, 10575188), (4, 5287594), (8, 2643797), (13, 1626952), (26, 813476), (47, 450008), (52, 406738), (94, 225004), (104, 203369), (188, 112502), (376, 56251), (611, 34616), (1222, 17308), (2444, 8654), (4327, 4888)]