21986999980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5878877}}^1$

素因数の和:5878914

約数の個数: 48

約数和(自身を含む): 53333181216

約数和(自身を除く): 31346181236

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5878877, 11757754, 23515508, 29394385, 58788770, 64667647, 99940909, 117577540, 129335294, 199881818, 258670588, 323338235, 399763636, 499704545, 646676470, 999409090, 1099349999, 1293352940, 1998818180, 2198699998, 4397399996, 5496749995, 10993499990, 21986999980]

約数ペア:

[(1, 21986999980), (2, 10993499990), (4, 5496749995), (5, 4397399996), (10, 2198699998), (11, 1998818180), (17, 1293352940), (20, 1099349999), (22, 999409090), (34, 646676470), (44, 499704545), (55, 399763636), (68, 323338235), (85, 258670588), (110, 199881818), (170, 129335294), (187, 117577540), (220, 99940909), (340, 64667647), (374, 58788770), (748, 29394385), (935, 23515508), (1870, 11757754), (3740, 5878877)]