21704318832

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{289669}}^1$

素因数の和:289910

約数の個数: 80

約数和(自身を含む): 64366991360

約数和(自身を除く): 42662672528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 223, 336, 446, 669, 892, 1338, 1561, 1784, 2676, 3122, 3568, 4683, 5352, 6244, 9366, 10704, 12488, 18732, 24976, 37464, 74928, 289669, 579338, 869007, 1158676, 1738014, 2027683, 2317352, 3476028, 4055366, 4634704, 6083049, 6952056, 8110732, 12166098, 13904112, 16221464, 24332196, 32442928, 48664392, 64596187, 97328784, 129192374, 193788561, 258384748, 387577122, 452173309, 516769496, 775154244, 904346618, 1033538992, 1356519927, 1550308488, 1808693236, 2713039854, 3100616976, 3617386472, 5426079708, 7234772944, 10852159416, 21704318832]

約数ペア:

[(1, 21704318832), (2, 10852159416), (3, 7234772944), (4, 5426079708), (6, 3617386472), (7, 3100616976), (8, 2713039854), (12, 1808693236), (14, 1550308488), (16, 1356519927), (21, 1033538992), (24, 904346618), (28, 775154244), (42, 516769496), (48, 452173309), (56, 387577122), (84, 258384748), (112, 193788561), (168, 129192374), (223, 97328784), (336, 64596187), (446, 48664392), (669, 32442928), (892, 24332196), (1338, 16221464), (1561, 13904112), (1784, 12166098), (2676, 8110732), (3122, 6952056), (3568, 6083049), (4683, 4634704), (5352, 4055366), (6244, 3476028), (9366, 2317352), (10704, 2027683), (12488, 1738014), (18732, 1158676), (24976, 869007), (37464, 579338), (74928, 289669)]