21019142

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8839}}^1$

素因数の和:8911

約数の個数: 16

約数和(自身を含む): 33415200

約数和(自身を除く): 12396058

約数列:

[1, 2, 29, 41, 58, 82, 1189, 2378, 8839, 17678, 256331, 362399, 512662, 724798, 10509571, 21019142]

約数ペア:

[(1, 21019142), (2, 10509571), (29, 724798), (41, 512662), (58, 362399), (82, 256331), (1189, 17678), (2378, 8839)]