21145974

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{185491}}^1$

素因数の和:185515

約数の個数: 16

約数和(自身を含む): 44518080

約数和(自身を除く): 23372106

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 185491, 370982, 556473, 1112946, 3524329, 7048658, 10572987, 21145974]

約数ペア:

[(1, 21145974), (2, 10572987), (3, 7048658), (6, 3524329), (19, 1112946), (38, 556473), (57, 370982), (114, 185491)]