21559320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59887}}^1$

素因数の和:59904

約数の個数: 48

約数和(自身を含む): 70068960

約数和(自身を除く): 48509640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59887, 119774, 179661, 239548, 299435, 359322, 479096, 538983, 598870, 718644, 898305, 1077966, 1197740, 1437288, 1796610, 2155932, 2395480, 2694915, 3593220, 4311864, 5389830, 7186440, 10779660, 21559320]

約数ペア:

[(1, 21559320), (2, 10779660), (3, 7186440), (4, 5389830), (5, 4311864), (6, 3593220), (8, 2694915), (9, 2395480), (10, 2155932), (12, 1796610), (15, 1437288), (18, 1197740), (20, 1077966), (24, 898305), (30, 718644), (36, 598870), (40, 538983), (45, 479096), (60, 359322), (72, 299435), (90, 239548), (120, 179661), (180, 119774), (360, 59887)]