21572960

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1847}}^1$

素因数の和:1935

約数の個数: 48

約数和(自身を含む): 51692256

約数和(自身を除く): 30119296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1847, 2336, 2920, 3694, 5840, 7388, 9235, 11680, 14776, 18470, 29552, 36940, 59104, 73880, 134831, 147760, 269662, 295520, 539324, 674155, 1078648, 1348310, 2157296, 2696620, 4314592, 5393240, 10786480, 21572960]

約数ペア:

[(1, 21572960), (2, 10786480), (4, 5393240), (5, 4314592), (8, 2696620), (10, 2157296), (16, 1348310), (20, 1078648), (32, 674155), (40, 539324), (73, 295520), (80, 269662), (146, 147760), (160, 134831), (292, 73880), (365, 59104), (584, 36940), (730, 29552), (1168, 18470), (1460, 14776), (1847, 11680), (2336, 9235), (2920, 7388), (3694, 5840)]