21309360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88789}}^1$

素因数の和:88805

約数の個数: 40

約数和(自身を含む): 66059760

約数和(自身を除く): 44750400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88789, 177578, 266367, 355156, 443945, 532734, 710312, 887890, 1065468, 1331835, 1420624, 1775780, 2130936, 2663670, 3551560, 4261872, 5327340, 7103120, 10654680, 21309360]

約数ペア:

[(1, 21309360), (2, 10654680), (3, 7103120), (4, 5327340), (5, 4261872), (6, 3551560), (8, 2663670), (10, 2130936), (12, 1775780), (15, 1420624), (16, 1331835), (20, 1065468), (24, 887890), (30, 710312), (40, 532734), (48, 443945), (60, 355156), (80, 266367), (120, 177578), (240, 88789)]