22119340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 48492864

約数和(自身を除く): 26373524

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 421, 710, 740, 842, 1420, 1684, 2105, 2627, 4210, 5254, 8420, 10508, 13135, 15577, 26270, 29891, 31154, 52540, 59782, 62308, 77885, 119564, 149455, 155770, 298910, 311540, 597820, 1105967, 2211934, 4423868, 5529835, 11059670, 22119340]

約数ペア:

[(1, 22119340), (2, 11059670), (4, 5529835), (5, 4423868), (10, 2211934), (20, 1105967), (37, 597820), (71, 311540), (74, 298910), (142, 155770), (148, 149455), (185, 119564), (284, 77885), (355, 62308), (370, 59782), (421, 52540), (710, 31154), (740, 29891), (842, 26270), (1420, 15577), (1684, 13135), (2105, 10508), (2627, 8420), (4210, 5254)]