21214168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 41477760

約数和(自身を除く): 20263592

約数列:

[1, 2, 4, 8, 31, 62, 113, 124, 226, 248, 452, 757, 904, 1514, 3028, 3503, 6056, 7006, 14012, 23467, 28024, 46934, 85541, 93868, 171082, 187736, 342164, 684328, 2651771, 5303542, 10607084, 21214168]

約数ペア:

[(1, 21214168), (2, 10607084), (4, 5303542), (8, 2651771), (31, 684328), (62, 342164), (113, 187736), (124, 171082), (226, 93868), (248, 85541), (452, 46934), (757, 28024), (904, 23467), (1514, 14012), (3028, 7006), (3503, 6056)]