21423872

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1648

約数の個数: 36

約数和(自身を含む): 43598520

約数和(自身を除く): 22174648

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1579, 1696, 3158, 3392, 6316, 6784, 12632, 13568, 25264, 50528, 83687, 101056, 167374, 202112, 334748, 404224, 669496, 1338992, 2677984, 5355968, 10711936, 21423872]

約数ペア:

[(1, 21423872), (2, 10711936), (4, 5355968), (8, 2677984), (16, 1338992), (32, 669496), (53, 404224), (64, 334748), (106, 202112), (128, 167374), (212, 101056), (256, 83687), (424, 50528), (848, 25264), (1579, 13568), (1696, 12632), (3158, 6784), (3392, 6316)]