21919418

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 13884742

約数列:

[1, 2, 29, 31, 58, 62, 73, 146, 167, 334, 899, 1798, 2117, 2263, 4234, 4526, 4843, 5177, 9686, 10354, 12191, 24382, 65627, 131254, 150133, 300266, 353539, 377921, 707078, 755842, 10959709, 21919418]

約数ペア:

[(1, 21919418), (2, 10959709), (29, 755842), (31, 707078), (58, 377921), (62, 353539), (73, 300266), (146, 150133), (167, 131254), (334, 65627), (899, 24382), (1798, 12191), (2117, 10354), (2263, 9686), (4234, 5177), (4526, 4843)]