21931995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 36946944

約数和(自身を除く): 15014949

約数列:

[1, 3, 5, 15, 23, 69, 115, 151, 345, 421, 453, 755, 1263, 2105, 2265, 3473, 6315, 9683, 10419, 17365, 29049, 48415, 52095, 63571, 145245, 190713, 317855, 953565, 1462133, 4386399, 7310665, 21931995]

約数ペア:

[(1, 21931995), (3, 7310665), (5, 4386399), (15, 1462133), (23, 953565), (69, 317855), (115, 190713), (151, 145245), (345, 63571), (421, 52095), (453, 48415), (755, 29049), (1263, 17365), (2105, 10419), (2265, 9683), (3473, 6315)]