21166620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1847}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 38442468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1847, 1910, 2292, 2865, 3694, 3820, 5541, 5730, 7388, 9235, 11082, 11460, 18470, 22164, 27705, 36940, 55410, 110820, 352777, 705554, 1058331, 1411108, 1763885, 2116662, 3527770, 4233324, 5291655, 7055540, 10583310, 21166620]

約数ペア:

[(1, 21166620), (2, 10583310), (3, 7055540), (4, 5291655), (5, 4233324), (6, 3527770), (10, 2116662), (12, 1763885), (15, 1411108), (20, 1058331), (30, 705554), (60, 352777), (191, 110820), (382, 55410), (573, 36940), (764, 27705), (955, 22164), (1146, 18470), (1847, 11460), (1910, 11082), (2292, 9235), (2865, 7388), (3694, 5730), (3820, 5541)]