21515070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5647}}^1$

素因数の和:5784

約数の個数: 32

約数和(自身を含む): 52051968

約数和(自身を除く): 30536898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5647, 11294, 16941, 28235, 33882, 56470, 84705, 169410, 717169, 1434338, 2151507, 3585845, 4303014, 7171690, 10757535, 21515070]

約数ペア:

[(1, 21515070), (2, 10757535), (3, 7171690), (5, 4303014), (6, 3585845), (10, 2151507), (15, 1434338), (30, 717169), (127, 169410), (254, 84705), (381, 56470), (635, 33882), (762, 28235), (1270, 16941), (1905, 11294), (3810, 5647)]