21775910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 42481152

約数和(自身を除く): 20705242

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 877, 955, 1754, 1910, 2483, 4385, 4966, 8770, 11401, 12415, 22802, 24830, 57005, 114010, 167507, 335014, 837535, 1675070, 2177591, 4355182, 10887955, 21775910]

約数ペア:

[(1, 21775910), (2, 10887955), (5, 4355182), (10, 2177591), (13, 1675070), (26, 837535), (65, 335014), (130, 167507), (191, 114010), (382, 57005), (877, 24830), (955, 22802), (1754, 12415), (1910, 11401), (2483, 8770), (4385, 4966)]