21829456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4051

約数の個数: 40

約数和(自身を含む): 47639808

約数和(自身を除く): 25810352

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 4001, 5456, 8002, 16004, 32008, 44011, 64016, 88022, 124031, 176044, 248062, 352088, 496124, 704176, 992248, 1364341, 1984496, 2728682, 5457364, 10914728, 21829456]

約数ペア:

[(1, 21829456), (2, 10914728), (4, 5457364), (8, 2728682), (11, 1984496), (16, 1364341), (22, 992248), (31, 704176), (44, 496124), (62, 352088), (88, 248062), (124, 176044), (176, 124031), (248, 88022), (341, 64016), (496, 44011), (682, 32008), (1364, 16004), (2728, 8002), (4001, 5456)]