21063612

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 52738560

約数和(自身を除く): 31674948

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 79, 102, 158, 204, 237, 316, 474, 948, 1307, 1343, 2614, 2686, 3921, 4029, 5228, 5372, 7842, 8058, 15684, 16116, 22219, 44438, 66657, 88876, 103253, 133314, 206506, 266628, 309759, 413012, 619518, 1239036, 1755301, 3510602, 5265903, 7021204, 10531806, 21063612]

約数ペア:

[(1, 21063612), (2, 10531806), (3, 7021204), (4, 5265903), (6, 3510602), (12, 1755301), (17, 1239036), (34, 619518), (51, 413012), (68, 309759), (79, 266628), (102, 206506), (158, 133314), (204, 103253), (237, 88876), (316, 66657), (474, 44438), (948, 22219), (1307, 16116), (1343, 15684), (2614, 8058), (2686, 7842), (3921, 5372), (4029, 5228)]