21595545

素因数分解:

$3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{461}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 16990695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 347, 461, 1041, 1383, 1735, 2305, 3123, 4149, 5205, 6915, 9369, 12447, 15615, 20745, 46845, 62235, 159967, 479901, 799835, 1439703, 2399505, 4319109, 7198515, 21595545]

約数ペア:

[(1, 21595545), (3, 7198515), (5, 4319109), (9, 2399505), (15, 1439703), (27, 799835), (45, 479901), (135, 159967), (347, 62235), (461, 46845), (1041, 20745), (1383, 15615), (1735, 12447), (2305, 9369), (3123, 6915), (4149, 5205)]