21551002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 17095718

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 187, 319, 374, 493, 638, 986, 1987, 3974, 5423, 10846, 21857, 33779, 43714, 57623, 67558, 115246, 371569, 633853, 743138, 979591, 1267706, 1959182, 10775501, 21551002]

約数ペア:

[(1, 21551002), (2, 10775501), (11, 1959182), (17, 1267706), (22, 979591), (29, 743138), (34, 633853), (58, 371569), (187, 115246), (319, 67558), (374, 57623), (493, 43714), (638, 33779), (986, 21857), (1987, 10846), (3974, 5423)]