21024978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2617}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 45741696

約数和(自身を除く): 24716718

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2617, 2678, 4017, 5234, 7851, 8034, 15702, 34021, 68042, 102063, 204126, 269551, 539102, 808653, 1617306, 3504163, 7008326, 10512489, 21024978]

約数ペア:

[(1, 21024978), (2, 10512489), (3, 7008326), (6, 3504163), (13, 1617306), (26, 808653), (39, 539102), (78, 269551), (103, 204126), (206, 102063), (309, 68042), (618, 34021), (1339, 15702), (2617, 8034), (2678, 7851), (4017, 5234)]