21448150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 42586560

約数和(自身を除く): 21138410

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 107, 190, 211, 214, 422, 475, 535, 950, 1055, 1070, 2033, 2110, 2675, 4009, 4066, 5275, 5350, 8018, 10165, 10550, 20045, 20330, 22577, 40090, 45154, 50825, 100225, 101650, 112885, 200450, 225770, 428963, 564425, 857926, 1128850, 2144815, 4289630, 10724075, 21448150]

約数ペア:

[(1, 21448150), (2, 10724075), (5, 4289630), (10, 2144815), (19, 1128850), (25, 857926), (38, 564425), (50, 428963), (95, 225770), (107, 200450), (190, 112885), (211, 101650), (214, 100225), (422, 50825), (475, 45154), (535, 40090), (950, 22577), (1055, 20330), (1070, 20045), (2033, 10550), (2110, 10165), (2675, 8018), (4009, 5350), (4066, 5275)]