21529278

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^2\times {\mathrm{151}}^1$

素因数の和:337

約数の個数: 36

約数和(自身を含む): 47489208

約数和(自身を除く): 25959930

約数列:

[1, 2, 3, 6, 9, 18, 89, 151, 178, 267, 302, 453, 534, 801, 906, 1359, 1602, 2718, 7921, 13439, 15842, 23763, 26878, 40317, 47526, 71289, 80634, 120951, 142578, 241902, 1196071, 2392142, 3588213, 7176426, 10764639, 21529278]

約数ペア:

[(1, 21529278), (2, 10764639), (3, 7176426), (6, 3588213), (9, 2392142), (18, 1196071), (89, 241902), (151, 142578), (178, 120951), (267, 80634), (302, 71289), (453, 47526), (534, 40317), (801, 26878), (906, 23763), (1359, 15842), (1602, 13439), (2718, 7921)]