21973930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5399}}^1$

素因数の和:5454

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 22349270

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5399, 10798, 26995, 53990, 59389, 118778, 199763, 296945, 399526, 593890, 998815, 1997630, 2197393, 4394786, 10986965, 21973930]

約数ペア:

[(1, 21973930), (2, 10986965), (5, 4394786), (10, 2197393), (11, 1997630), (22, 998815), (37, 593890), (55, 399526), (74, 296945), (110, 199763), (185, 118778), (370, 59389), (407, 53990), (814, 26995), (2035, 10798), (4070, 5399)]