21887614

素因数分解:

$2^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1291}}^1$

素因数の和:1480

約数の個数: 24

約数和(自身を含む): 38442168

約数和(自身を除く): 16554554

約数列:

[1, 2, 7, 14, 49, 98, 173, 346, 1211, 1291, 2422, 2582, 8477, 9037, 16954, 18074, 63259, 126518, 223343, 446686, 1563401, 3126802, 10943807, 21887614]

約数ペア:

[(1, 21887614), (2, 10943807), (7, 3126802), (14, 1563401), (49, 446686), (98, 223343), (173, 126518), (346, 63259), (1211, 18074), (1291, 16954), (2422, 9037), (2582, 8477)]