21027120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87613}}^1$

素因数の和:87629

約数の個数: 40

約数和(自身を含む): 65184816

約数和(自身を除く): 44157696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87613, 175226, 262839, 350452, 438065, 525678, 700904, 876130, 1051356, 1314195, 1401808, 1752260, 2102712, 2628390, 3504520, 4205424, 5256780, 7009040, 10513560, 21027120]

約数ペア:

[(1, 21027120), (2, 10513560), (3, 7009040), (4, 5256780), (5, 4205424), (6, 3504520), (8, 2628390), (10, 2102712), (12, 1752260), (15, 1401808), (16, 1314195), (20, 1051356), (24, 876130), (30, 700904), (40, 525678), (48, 438065), (60, 350452), (80, 262839), (120, 175226), (240, 87613)]