21383488

素因数分解:

$2^6\times 7^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:887

約数の個数: 56

約数和(自身を含む): 49377600

約数和(自身を除く): 27994112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 224, 236, 413, 448, 472, 809, 826, 944, 1618, 1652, 1888, 3236, 3304, 3776, 5663, 6472, 6608, 11326, 12944, 13216, 22652, 25888, 26432, 45304, 47731, 51776, 90608, 95462, 181216, 190924, 334117, 362432, 381848, 668234, 763696, 1336468, 1527392, 2672936, 3054784, 5345872, 10691744, 21383488]

約数ペア:

[(1, 21383488), (2, 10691744), (4, 5345872), (7, 3054784), (8, 2672936), (14, 1527392), (16, 1336468), (28, 763696), (32, 668234), (56, 381848), (59, 362432), (64, 334117), (112, 190924), (118, 181216), (224, 95462), (236, 90608), (413, 51776), (448, 47731), (472, 45304), (809, 26432), (826, 25888), (944, 22652), (1618, 13216), (1652, 12944), (1888, 11326), (3236, 6608), (3304, 6472), (3776, 5663)]