21531748

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2029}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 43198400

約数和(自身を除く): 21666652

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 2029, 2653, 4058, 5306, 8116, 10612, 14203, 28406, 56812, 768991, 1537982, 3075964, 5382937, 10765874, 21531748]

約数ペア:

[(1, 21531748), (2, 10765874), (4, 5382937), (7, 3075964), (14, 1537982), (28, 768991), (379, 56812), (758, 28406), (1516, 14203), (2029, 10612), (2653, 8116), (4058, 5306)]