21858840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60719}}^1$

素因数の和:60736

約数の個数: 48

約数和(自身を含む): 71042400

約数和(自身を除く): 49183560

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, 60719, 121438, 182157, 242876, 303595, 364314, 485752, 546471, 607190, 728628, 910785, 1092942, 1214380, 1457256, 1821570, 2185884, 2428760, 2732355, 3643140, 4371768, 5464710, 7286280, 10929420, 21858840]

約数ペア:

[(1, 21858840), (2, 10929420), (3, 7286280), (4, 5464710), (5, 4371768), (6, 3643140), (8, 2732355), (9, 2428760), (10, 2185884), (12, 1821570), (15, 1457256), (18, 1214380), (20, 1092942), (24, 910785), (30, 728628), (36, 607190), (40, 546471), (45, 485752), (60, 364314), (72, 303595), (90, 242876), (120, 182157), (180, 121438), (360, 60719)]