21789870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8161}}^1$

素因数の和:8260

約数の個数: 32

約数和(自身を含む): 52889760

約数和(自身を除く): 31099890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 8161, 16322, 24483, 40805, 48966, 81610, 122415, 244830, 726329, 1452658, 2178987, 3631645, 4357974, 7263290, 10894935, 21789870]

約数ペア:

[(1, 21789870), (2, 10894935), (3, 7263290), (5, 4357974), (6, 3631645), (10, 2178987), (15, 1452658), (30, 726329), (89, 244830), (178, 122415), (267, 81610), (445, 48966), (534, 40805), (890, 24483), (1335, 16322), (2670, 8161)]