21017110

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 39786912

約数和(自身を除く): 18769802

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1321, 1591, 2642, 3182, 6605, 7955, 13210, 15910, 48877, 56803, 97754, 113606, 244385, 284015, 488770, 568030, 2101711, 4203422, 10508555, 21017110]

約数ペア:

[(1, 21017110), (2, 10508555), (5, 4203422), (10, 2101711), (37, 568030), (43, 488770), (74, 284015), (86, 244385), (185, 113606), (215, 97754), (370, 56803), (430, 48877), (1321, 15910), (1591, 13210), (2642, 7955), (3182, 6605)]