21144538

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 13329062

約数列:

[1, 2, 29, 37, 58, 59, 74, 118, 167, 334, 1073, 1711, 2146, 2183, 3422, 4366, 4843, 6179, 9686, 9853, 12358, 19706, 63307, 126614, 179191, 285737, 358382, 364561, 571474, 729122, 10572269, 21144538]

約数ペア:

[(1, 21144538), (2, 10572269), (29, 729122), (37, 571474), (58, 364561), (59, 358382), (74, 285737), (118, 179191), (167, 126614), (334, 63307), (1073, 19706), (1711, 12358), (2146, 9853), (2183, 9686), (3422, 6179), (4366, 4843)]