21420452

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1483}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 39391296

約数和(自身を除く): 17970844

約数列:

[1, 2, 4, 23, 46, 92, 157, 314, 628, 1483, 2966, 3611, 5932, 7222, 14444, 34109, 68218, 136436, 232831, 465662, 931324, 5355113, 10710226, 21420452]

約数ペア:

[(1, 21420452), (2, 10710226), (4, 5355113), (23, 931324), (46, 465662), (92, 232831), (157, 136436), (314, 68218), (628, 34109), (1483, 14444), (2966, 7222), (3611, 5932)]