21910410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1777}}^1$

素因数の和:1927

約数の個数: 48

約数和(自身を含む): 57415176

約数和(自身を除く): 35504766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1777, 2055, 2466, 3554, 4110, 5331, 6165, 8885, 10662, 12330, 15993, 17770, 26655, 31986, 53310, 79965, 159930, 243449, 486898, 730347, 1217245, 1460694, 2191041, 2434490, 3651735, 4382082, 7303470, 10955205, 21910410]

約数ペア:

[(1, 21910410), (2, 10955205), (3, 7303470), (5, 4382082), (6, 3651735), (9, 2434490), (10, 2191041), (15, 1460694), (18, 1217245), (30, 730347), (45, 486898), (90, 243449), (137, 159930), (274, 79965), (411, 53310), (685, 31986), (822, 26655), (1233, 17770), (1370, 15993), (1777, 12330), (2055, 10662), (2466, 8885), (3554, 6165), (4110, 5331)]