21252641895

素因数分解:

$3^4\times 5^1\times {\mathrm{2833}}^1\times {\mathrm{18523}}^1$

素因数の和:21373

約数の個数: 40

約数和(自身を含む): 38112833616

約数和(自身を除く): 16860191721

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2833, 8499, 14165, 18523, 25497, 42495, 55569, 76491, 92615, 127485, 166707, 229473, 277845, 382455, 500121, 833535, 1147365, 1500363, 2500605, 7501815, 52475659, 157426977, 262378295, 472280931, 787134885, 1416842793, 2361404655, 4250528379, 7084213965, 21252641895]

約数ペア:

[(1, 21252641895), (3, 7084213965), (5, 4250528379), (9, 2361404655), (15, 1416842793), (27, 787134885), (45, 472280931), (81, 262378295), (135, 157426977), (405, 52475659), (2833, 7501815), (8499, 2500605), (14165, 1500363), (18523, 1147365), (25497, 833535), (42495, 500121), (55569, 382455), (76491, 277845), (92615, 229473), (127485, 166707)]