21000565680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87502357}}^1$

素因数の和:87502373

約数の個数: 40

約数和(自身を含む): 65101754352

約数和(自身を除く): 44101188672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87502357, 175004714, 262507071, 350009428, 437511785, 525014142, 700018856, 875023570, 1050028284, 1312535355, 1400037712, 1750047140, 2100056568, 2625070710, 3500094280, 4200113136, 5250141420, 7000188560, 10500282840, 21000565680]

約数ペア:

[(1, 21000565680), (2, 10500282840), (3, 7000188560), (4, 5250141420), (5, 4200113136), (6, 3500094280), (8, 2625070710), (10, 2100056568), (12, 1750047140), (15, 1400037712), (16, 1312535355), (20, 1050028284), (24, 875023570), (30, 700018856), (40, 525014142), (48, 437511785), (60, 350009428), (80, 262507071), (120, 175004714), (240, 87502357)]