21691648

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7703}}^1$

素因数の和:7730

約数の個数: 36

約数和(自身を含む): 47240928

約数和(自身を除く): 25549280

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7703, 15406, 30812, 61624, 84733, 123248, 169466, 246496, 338932, 492992, 677864, 985984, 1355728, 1971968, 2711456, 5422912, 10845824, 21691648]

約数ペア:

[(1, 21691648), (2, 10845824), (4, 5422912), (8, 2711456), (11, 1971968), (16, 1355728), (22, 985984), (32, 677864), (44, 492992), (64, 338932), (88, 246496), (128, 169466), (176, 123248), (256, 84733), (352, 61624), (704, 30812), (1408, 15406), (2816, 7703)]