21669360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90289}}^1$

素因数の和:90305

約数の個数: 40

約数和(自身を含む): 67175760

約数和(自身を除く): 45506400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90289, 180578, 270867, 361156, 451445, 541734, 722312, 902890, 1083468, 1354335, 1444624, 1805780, 2166936, 2708670, 3611560, 4333872, 5417340, 7223120, 10834680, 21669360]

約数ペア:

[(1, 21669360), (2, 10834680), (3, 7223120), (4, 5417340), (5, 4333872), (6, 3611560), (8, 2708670), (10, 2166936), (12, 1805780), (15, 1444624), (16, 1354335), (20, 1083468), (24, 902890), (30, 722312), (40, 541734), (48, 451445), (60, 361156), (80, 270867), (120, 180578), (240, 90289)]