21538050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1033}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 53850720

約数和(自身を除く): 32312670

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 139, 150, 278, 417, 695, 834, 1033, 1390, 2066, 2085, 3099, 3475, 4170, 5165, 6198, 6950, 10330, 10425, 15495, 20850, 25825, 30990, 51650, 77475, 143587, 154950, 287174, 430761, 717935, 861522, 1435870, 2153805, 3589675, 4307610, 7179350, 10769025, 21538050]

約数ペア:

[(1, 21538050), (2, 10769025), (3, 7179350), (5, 4307610), (6, 3589675), (10, 2153805), (15, 1435870), (25, 861522), (30, 717935), (50, 430761), (75, 287174), (139, 154950), (150, 143587), (278, 77475), (417, 51650), (695, 30990), (834, 25825), (1033, 20850), (1390, 15495), (2066, 10425), (2085, 10330), (3099, 6950), (3475, 6198), (4170, 5165)]