21251316

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 30761484

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 79, 87, 116, 158, 174, 237, 316, 348, 474, 773, 948, 1546, 2291, 2319, 3092, 4582, 4638, 6873, 9164, 9276, 13746, 22417, 27492, 44834, 61067, 67251, 89668, 122134, 134502, 183201, 244268, 269004, 366402, 732804, 1770943, 3541886, 5312829, 7083772, 10625658, 21251316]

約数ペア:

[(1, 21251316), (2, 10625658), (3, 7083772), (4, 5312829), (6, 3541886), (12, 1770943), (29, 732804), (58, 366402), (79, 269004), (87, 244268), (116, 183201), (158, 134502), (174, 122134), (237, 89668), (316, 67251), (348, 61067), (474, 44834), (773, 27492), (948, 22417), (1546, 13746), (2291, 9276), (2319, 9164), (3092, 6873), (4582, 4638)]