21494640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89561}}^1$

素因数の和:89577

約数の個数: 40

約数和(自身を含む): 66634128

約数和(自身を除く): 45139488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89561, 179122, 268683, 358244, 447805, 537366, 716488, 895610, 1074732, 1343415, 1432976, 1791220, 2149464, 2686830, 3582440, 4298928, 5373660, 7164880, 10747320, 21494640]

約数ペア:

[(1, 21494640), (2, 10747320), (3, 7164880), (4, 5373660), (5, 4298928), (6, 3582440), (8, 2686830), (10, 2149464), (12, 1791220), (15, 1432976), (16, 1343415), (20, 1074732), (24, 895610), (30, 716488), (40, 537366), (48, 447805), (60, 358244), (80, 268683), (120, 179122), (240, 89561)]