21434580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 65461032

約数和(自身を除く): 44026452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 617, 772, 965, 1158, 1234, 1737, 1851, 1930, 2316, 2468, 2895, 3085, 3474, 3702, 3860, 5553, 5790, 6170, 6948, 7404, 8685, 9255, 11106, 11580, 12340, 17370, 18510, 22212, 27765, 34740, 37020, 55530, 111060, 119081, 238162, 357243, 476324, 595405, 714486, 1071729, 1190810, 1428972, 1786215, 2143458, 2381620, 3572430, 4286916, 5358645, 7144860, 10717290, 21434580]

約数ペア:

[(1, 21434580), (2, 10717290), (3, 7144860), (4, 5358645), (5, 4286916), (6, 3572430), (9, 2381620), (10, 2143458), (12, 1786215), (15, 1428972), (18, 1190810), (20, 1071729), (30, 714486), (36, 595405), (45, 476324), (60, 357243), (90, 238162), (180, 119081), (193, 111060), (386, 55530), (579, 37020), (617, 34740), (772, 27765), (965, 22212), (1158, 18510), (1234, 17370), (1737, 12340), (1851, 11580), (1930, 11106), (2316, 9255), (2468, 8685), (2895, 7404), (3085, 6948), (3474, 6170), (3702, 5790), (3860, 5553)]