21592840

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2797}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 48853080

約数和(自身を除く): 27260240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2797, 3860, 5594, 7720, 11188, 13985, 22376, 27970, 55940, 111880, 539821, 1079642, 2159284, 2699105, 4318568, 5398210, 10796420, 21592840]

約数ペア:

[(1, 21592840), (2, 10796420), (4, 5398210), (5, 4318568), (8, 2699105), (10, 2159284), (20, 1079642), (40, 539821), (193, 111880), (386, 55940), (772, 27970), (965, 22376), (1544, 13985), (1930, 11188), (2797, 7720), (3860, 5594)]