21374750

素因数分解:

$2^1\times 5^3\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 40311648

約数和(自身を除く): 18936898

約数列:

[1, 2, 5, 10, 25, 50, 125, 193, 250, 386, 443, 886, 965, 1930, 2215, 4430, 4825, 9650, 11075, 22150, 24125, 48250, 55375, 85499, 110750, 170998, 427495, 854990, 2137475, 4274950, 10687375, 21374750]

約数ペア:

[(1, 21374750), (2, 10687375), (5, 4274950), (10, 2137475), (25, 854990), (50, 427495), (125, 170998), (193, 110750), (250, 85499), (386, 55375), (443, 48250), (886, 24125), (965, 22150), (1930, 11075), (2215, 9650), (4430, 4825)]