21913034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4507}}^1$

素因数の和:4550

約数の個数: 32

約数和(自身を含む): 40896576

約数和(自身を除く): 18983542

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4507, 4862, 9014, 49577, 58591, 76619, 99154, 117182, 153238, 644501, 842809, 996047, 1289002, 1685618, 1992094, 10956517, 21913034]

約数ペア:

[(1, 21913034), (2, 10956517), (11, 1992094), (13, 1685618), (17, 1289002), (22, 996047), (26, 842809), (34, 644501), (143, 153238), (187, 117182), (221, 99154), (286, 76619), (374, 58591), (442, 49577), (2431, 9014), (4507, 4862)]