21871530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3329}}^1$

素因数の和:3415

約数の個数: 48

約数和(自身を含む): 57662280

約数和(自身を除く): 35790750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3285, 3329, 6570, 6658, 9987, 16645, 19974, 29961, 33290, 49935, 59922, 99870, 149805, 243017, 299610, 486034, 729051, 1215085, 1458102, 2187153, 2430170, 3645255, 4374306, 7290510, 10935765, 21871530]

約数ペア:

[(1, 21871530), (2, 10935765), (3, 7290510), (5, 4374306), (6, 3645255), (9, 2430170), (10, 2187153), (15, 1458102), (18, 1215085), (30, 729051), (45, 486034), (73, 299610), (90, 243017), (146, 149805), (219, 99870), (365, 59922), (438, 49935), (657, 33290), (730, 29961), (1095, 19974), (1314, 16645), (2190, 9987), (3285, 6658), (3329, 6570)]