21294808

素因数分解:

$2^3\times {\mathrm{367}}^1\times {\mathrm{7253}}^1$

素因数の和:7626

約数の個数: 16

約数和(自身を含む): 40042080

約数和(自身を除く): 18747272

約数列:

[1, 2, 4, 8, 367, 734, 1468, 2936, 7253, 14506, 29012, 58024, 2661851, 5323702, 10647404, 21294808]

約数ペア:

[(1, 21294808), (2, 10647404), (4, 5323702), (8, 2661851), (367, 58024), (734, 29012), (1468, 14506), (2936, 7253)]