21760050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11159}}^1$

素因数の和:11187

約数の個数: 48

約数和(自身を含む): 58121280

約数和(自身を除く): 36361230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11159, 22318, 33477, 55795, 66954, 111590, 145067, 167385, 278975, 290134, 334770, 435201, 557950, 725335, 836925, 870402, 1450670, 1673850, 2176005, 3626675, 4352010, 7253350, 10880025, 21760050]

約数ペア:

[(1, 21760050), (2, 10880025), (3, 7253350), (5, 4352010), (6, 3626675), (10, 2176005), (13, 1673850), (15, 1450670), (25, 870402), (26, 836925), (30, 725335), (39, 557950), (50, 435201), (65, 334770), (75, 290134), (78, 278975), (130, 167385), (150, 145067), (195, 111590), (325, 66954), (390, 55795), (650, 33477), (975, 22318), (1950, 11159)]