21442020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12323}}^1$

素因数の和:12364

約数の個数: 48

約数和(自身を含む): 62112960

約数和(自身を除く): 40670940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12323, 24646, 36969, 49292, 61615, 73938, 123230, 147876, 184845, 246460, 357367, 369690, 714734, 739380, 1072101, 1429468, 1786835, 2144202, 3573670, 4288404, 5360505, 7147340, 10721010, 21442020]

約数ペア:

[(1, 21442020), (2, 10721010), (3, 7147340), (4, 5360505), (5, 4288404), (6, 3573670), (10, 2144202), (12, 1786835), (15, 1429468), (20, 1072101), (29, 739380), (30, 714734), (58, 369690), (60, 357367), (87, 246460), (116, 184845), (145, 147876), (174, 123230), (290, 73938), (348, 61615), (435, 49292), (580, 36969), (870, 24646), (1740, 12323)]