21367140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7577}}^1$

素因数の和:7636

約数の個数: 48

約数和(自身を含む): 61108992

約数和(自身を除く): 39741852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7577, 15154, 22731, 30308, 37885, 45462, 75770, 90924, 113655, 151540, 227310, 356119, 454620, 712238, 1068357, 1424476, 1780595, 2136714, 3561190, 4273428, 5341785, 7122380, 10683570, 21367140]

約数ペア:

[(1, 21367140), (2, 10683570), (3, 7122380), (4, 5341785), (5, 4273428), (6, 3561190), (10, 2136714), (12, 1780595), (15, 1424476), (20, 1068357), (30, 712238), (47, 454620), (60, 356119), (94, 227310), (141, 151540), (188, 113655), (235, 90924), (282, 75770), (470, 45462), (564, 37885), (705, 30308), (940, 22731), (1410, 15154), (2820, 7577)]