21607630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5309}}^1$

素因数の和:5364

約数の個数: 32

約数和(自身を含む): 43584480

約数和(自身を除く): 21976850

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5309, 10618, 26545, 53090, 58399, 116798, 196433, 291995, 392866, 583990, 982165, 1964330, 2160763, 4321526, 10803815, 21607630]

約数ペア:

[(1, 21607630), (2, 10803815), (5, 4321526), (10, 2160763), (11, 1964330), (22, 982165), (37, 583990), (55, 392866), (74, 291995), (110, 196433), (185, 116798), (370, 58399), (407, 53090), (814, 26545), (2035, 10618), (4070, 5309)]