21107040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43973}}^1$

素因数の和:43991

約数の個数: 48

約数和(自身を含む): 66488688

約数和(自身を除く): 45381648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43973, 87946, 131919, 175892, 219865, 263838, 351784, 439730, 527676, 659595, 703568, 879460, 1055352, 1319190, 1407136, 1758920, 2110704, 2638380, 3517840, 4221408, 5276760, 7035680, 10553520, 21107040]

約数ペア:

[(1, 21107040), (2, 10553520), (3, 7035680), (4, 5276760), (5, 4221408), (6, 3517840), (8, 2638380), (10, 2110704), (12, 1758920), (15, 1407136), (16, 1319190), (20, 1055352), (24, 879460), (30, 703568), (32, 659595), (40, 527676), (48, 439730), (60, 351784), (80, 263838), (96, 219865), (120, 175892), (160, 131919), (240, 87946), (480, 43973)]