21968310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{619}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 65352960

約数和(自身を除く): 43384650

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 169, 182, 195, 210, 273, 338, 390, 455, 507, 546, 619, 845, 910, 1014, 1183, 1238, 1365, 1690, 1857, 2366, 2535, 2730, 3095, 3549, 3714, 4333, 5070, 5915, 6190, 7098, 8047, 8666, 9285, 11830, 12999, 16094, 17745, 18570, 21665, 24141, 25998, 35490, 40235, 43330, 48282, 56329, 64995, 80470, 104611, 112658, 120705, 129990, 168987, 209222, 241410, 281645, 313833, 337974, 523055, 563290, 627666, 732277, 844935, 1046110, 1464554, 1569165, 1689870, 2196831, 3138330, 3661385, 4393662, 7322770, 10984155, 21968310]

約数ペア:

[(1, 21968310), (2, 10984155), (3, 7322770), (5, 4393662), (6, 3661385), (7, 3138330), (10, 2196831), (13, 1689870), (14, 1569165), (15, 1464554), (21, 1046110), (26, 844935), (30, 732277), (35, 627666), (39, 563290), (42, 523055), (65, 337974), (70, 313833), (78, 281645), (91, 241410), (105, 209222), (130, 168987), (169, 129990), (182, 120705), (195, 112658), (210, 104611), (273, 80470), (338, 64995), (390, 56329), (455, 48282), (507, 43330), (546, 40235), (619, 35490), (845, 25998), (910, 24141), (1014, 21665), (1183, 18570), (1238, 17745), (1365, 16094), (1690, 12999), (1857, 11830), (2366, 9285), (2535, 8666), (2730, 8047), (3095, 7098), (3549, 6190), (3714, 5915), (4333, 5070)]