21424650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11015

約数の個数: 48

約数和(自身を含む): 57225504

約数和(自身を除く): 35800854

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10987, 21974, 32961, 54935, 65922, 109870, 142831, 164805, 274675, 285662, 329610, 428493, 549350, 714155, 824025, 856986, 1428310, 1648050, 2142465, 3570775, 4284930, 7141550, 10712325, 21424650]

約数ペア:

[(1, 21424650), (2, 10712325), (3, 7141550), (5, 4284930), (6, 3570775), (10, 2142465), (13, 1648050), (15, 1428310), (25, 856986), (26, 824025), (30, 714155), (39, 549350), (50, 428493), (65, 329610), (75, 285662), (78, 274675), (130, 164805), (150, 142831), (195, 109870), (325, 65922), (390, 54935), (650, 32961), (975, 21974), (1950, 10987)]