21086280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58573}}^1$

素因数の和:58590

約数の個数: 48

約数和(自身を含む): 68531580

約数和(自身を除く): 47445300

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, 58573, 117146, 175719, 234292, 292865, 351438, 468584, 527157, 585730, 702876, 878595, 1054314, 1171460, 1405752, 1757190, 2108628, 2342920, 2635785, 3514380, 4217256, 5271570, 7028760, 10543140, 21086280]

約数ペア:

[(1, 21086280), (2, 10543140), (3, 7028760), (4, 5271570), (5, 4217256), (6, 3514380), (8, 2635785), (9, 2342920), (10, 2108628), (12, 1757190), (15, 1405752), (18, 1171460), (20, 1054314), (24, 878595), (30, 702876), (36, 585730), (40, 527157), (45, 468584), (60, 351438), (72, 292865), (90, 234292), (120, 175719), (180, 117146), (360, 58573)]