21186840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176557}}^1$

素因数の和:176571

約数の個数: 32

約数和(自身を含む): 63560880

約数和(自身を除く): 42374040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176557, 353114, 529671, 706228, 882785, 1059342, 1412456, 1765570, 2118684, 2648355, 3531140, 4237368, 5296710, 7062280, 10593420, 21186840]

約数ペア:

[(1, 21186840), (2, 10593420), (3, 7062280), (4, 5296710), (5, 4237368), (6, 3531140), (8, 2648355), (10, 2118684), (12, 1765570), (15, 1412456), (20, 1059342), (24, 882785), (30, 706228), (40, 529671), (60, 353114), (120, 176557)]