21679590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42509}}^1$

素因数の和:42536

約数の個数: 32

約数和(自身を含む): 55092960

約数和(自身を除く): 33413370

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42509, 85018, 127527, 212545, 255054, 425090, 637635, 722653, 1275270, 1445306, 2167959, 3613265, 4335918, 7226530, 10839795, 21679590]

約数ペア:

[(1, 21679590), (2, 10839795), (3, 7226530), (5, 4335918), (6, 3613265), (10, 2167959), (15, 1445306), (17, 1275270), (30, 722653), (34, 637635), (51, 425090), (85, 255054), (102, 212545), (170, 127527), (255, 85018), (510, 42509)]