21976504

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 46060560

約数和(自身を除く): 24084056

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 121, 146, 242, 292, 311, 484, 584, 622, 803, 968, 1244, 1606, 2488, 3212, 3421, 6424, 6842, 8833, 13684, 17666, 22703, 27368, 35332, 37631, 45406, 70664, 75262, 90812, 150524, 181624, 249733, 301048, 499466, 998932, 1997864, 2747063, 5494126, 10988252, 21976504]

約数ペア:

[(1, 21976504), (2, 10988252), (4, 5494126), (8, 2747063), (11, 1997864), (22, 998932), (44, 499466), (73, 301048), (88, 249733), (121, 181624), (146, 150524), (242, 90812), (292, 75262), (311, 70664), (484, 45406), (584, 37631), (622, 35332), (803, 27368), (968, 22703), (1244, 17666), (1606, 13684), (2488, 8833), (3212, 6842), (3421, 6424)]