21015012

素因数分解:

$2^2\times 3^1\times {\mathrm{743}}^1\times {\mathrm{2357}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 49121856

約数和(自身を除く): 28106844

約数列:

[1, 2, 3, 4, 6, 12, 743, 1486, 2229, 2357, 2972, 4458, 4714, 7071, 8916, 9428, 14142, 28284, 1751251, 3502502, 5253753, 7005004, 10507506, 21015012]

約数ペア:

[(1, 21015012), (2, 10507506), (3, 7005004), (4, 5253753), (6, 3502502), (12, 1751251), (743, 28284), (1486, 14142), (2229, 9428), (2357, 8916), (2972, 7071), (4458, 4714)]