21286522

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11839}}^1$

素因数の和:11901

約数の個数: 16

約数和(自身を含む): 34099200

約数和(自身を除く): 12812678

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 11839, 23678, 343331, 367009, 686662, 734018, 10643261, 21286522]

約数ペア:

[(1, 21286522), (2, 10643261), (29, 734018), (31, 686662), (58, 367009), (62, 343331), (899, 23678), (1798, 11839)]