21143798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 36261120

約数和(自身を除く): 15117322

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 709, 806, 962, 1147, 1418, 2294, 9217, 14911, 18434, 21979, 26233, 29822, 43958, 52466, 285727, 341029, 571454, 682058, 813223, 1626446, 10571899, 21143798]

約数ペア:

[(1, 21143798), (2, 10571899), (13, 1626446), (26, 813223), (31, 682058), (37, 571454), (62, 341029), (74, 285727), (403, 52466), (481, 43958), (709, 29822), (806, 26233), (962, 21979), (1147, 18434), (1418, 14911), (2294, 9217)]