21234045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4703}}^1$

素因数の和:4761

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 18505347

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 4703, 14109, 23515, 32921, 70545, 98763, 164605, 202229, 493815, 606687, 1011145, 1415603, 3033435, 4246809, 7078015, 21234045]

約数ペア:

[(1, 21234045), (3, 7078015), (5, 4246809), (7, 3033435), (15, 1415603), (21, 1011145), (35, 606687), (43, 493815), (105, 202229), (129, 164605), (215, 98763), (301, 70545), (645, 32921), (903, 23515), (1505, 14109), (4515, 4703)]