21357360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29663}}^1$

素因数の和:29682

約数の個数: 60

約数和(自身を含む): 71727552

約数和(自身を除く): 50370192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29663, 59326, 88989, 118652, 148315, 177978, 237304, 266967, 296630, 355956, 444945, 474608, 533934, 593260, 711912, 889890, 1067868, 1186520, 1334835, 1423824, 1779780, 2135736, 2373040, 2669670, 3559560, 4271472, 5339340, 7119120, 10678680, 21357360]

約数ペア:

[(1, 21357360), (2, 10678680), (3, 7119120), (4, 5339340), (5, 4271472), (6, 3559560), (8, 2669670), (9, 2373040), (10, 2135736), (12, 1779780), (15, 1423824), (16, 1334835), (18, 1186520), (20, 1067868), (24, 889890), (30, 711912), (36, 593260), (40, 533934), (45, 474608), (48, 444945), (60, 355956), (72, 296630), (80, 266967), (90, 237304), (120, 177978), (144, 148315), (180, 118652), (240, 88989), (360, 59326), (720, 29663)]