21996750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 55560960

約数和(自身を除く): 33564210

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 139, 150, 211, 250, 278, 375, 417, 422, 633, 695, 750, 834, 1055, 1266, 1390, 2085, 2110, 3165, 3475, 4170, 5275, 6330, 6950, 10425, 10550, 15825, 17375, 20850, 26375, 29329, 31650, 34750, 52125, 52750, 58658, 79125, 87987, 104250, 146645, 158250, 175974, 293290, 439935, 733225, 879870, 1466450, 2199675, 3666125, 4399350, 7332250, 10998375, 21996750]

約数ペア:

[(1, 21996750), (2, 10998375), (3, 7332250), (5, 4399350), (6, 3666125), (10, 2199675), (15, 1466450), (25, 879870), (30, 733225), (50, 439935), (75, 293290), (125, 175974), (139, 158250), (150, 146645), (211, 104250), (250, 87987), (278, 79125), (375, 58658), (417, 52750), (422, 52125), (633, 34750), (695, 31650), (750, 29329), (834, 26375), (1055, 20850), (1266, 17375), (1390, 15825), (2085, 10550), (2110, 10425), (3165, 6950), (3475, 6330), (4170, 5275)]