21498284

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4409}}^1$

素因数の和:4489

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 18509236

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4409, 4876, 8818, 17636, 101407, 202814, 233677, 405628, 467354, 934708, 5374571, 10749142, 21498284]

約数ペア:

[(1, 21498284), (2, 10749142), (4, 5374571), (23, 934708), (46, 467354), (53, 405628), (92, 233677), (106, 202814), (212, 101407), (1219, 17636), (2438, 8818), (4409, 4876)]