21024880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7103}}^1$

素因数の和:7153

約数の個数: 40

約数和(自身を含む): 50211072

約数和(自身を除く): 29186192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 7103, 14206, 28412, 35515, 56824, 71030, 113648, 142060, 262811, 284120, 525622, 568240, 1051244, 1314055, 2102488, 2628110, 4204976, 5256220, 10512440, 21024880]

約数ペア:

[(1, 21024880), (2, 10512440), (4, 5256220), (5, 4204976), (8, 2628110), (10, 2102488), (16, 1314055), (20, 1051244), (37, 568240), (40, 525622), (74, 284120), (80, 262811), (148, 142060), (185, 113648), (296, 71030), (370, 56824), (592, 35515), (740, 28412), (1480, 14206), (2960, 7103)]