21007506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269327}}^1$

素因数の和:269345

約数の個数: 16

約数和(自身を含む): 45247104

約数和(自身を除く): 24239598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269327, 538654, 807981, 1615962, 3501251, 7002502, 10503753, 21007506]

約数ペア:

[(1, 21007506), (2, 10503753), (3, 7002502), (6, 3501251), (13, 1615962), (26, 807981), (39, 538654), (78, 269327)]