21001635

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11383}}^1$

素因数の和:11435

約数の個数: 24

約数和(自身を含む): 37293984

約数和(自身を除く): 16292349

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11383, 34149, 56915, 102447, 170745, 466703, 512235, 1400109, 2333515, 4200327, 7000545, 21001635]

約数ペア:

[(1, 21001635), (3, 7000545), (5, 4200327), (9, 2333515), (15, 1400109), (41, 512235), (45, 466703), (123, 170745), (205, 102447), (369, 56915), (615, 34149), (1845, 11383)]