21663662

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:236

約数の個数: 24

約数和(自身を含む): 34319376

約数和(自身を除く): 12655714

約数列:

[1, 2, 41, 61, 71, 82, 122, 142, 2501, 2911, 3721, 4331, 5002, 5822, 7442, 8662, 152561, 177571, 264191, 305122, 355142, 528382, 10831831, 21663662]

約数ペア:

[(1, 21663662), (2, 10831831), (41, 528382), (61, 355142), (71, 305122), (82, 264191), (122, 177571), (142, 152561), (2501, 8662), (2911, 7442), (3721, 5822), (4331, 5002)]