21062830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6521}}^1$

素因数の和:6564

約数の個数: 32

約数和(自身を含む): 42262560

約数和(自身を除く): 21199730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6521, 13042, 32605, 65210, 110857, 123899, 221714, 247798, 554285, 619495, 1108570, 1238990, 2106283, 4212566, 10531415, 21062830]

約数ペア:

[(1, 21062830), (2, 10531415), (5, 4212566), (10, 2106283), (17, 1238990), (19, 1108570), (34, 619495), (38, 554285), (85, 247798), (95, 221714), (170, 123899), (190, 110857), (323, 65210), (646, 32605), (1615, 13042), (3230, 6521)]