21006344

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 41264640

約数和(自身を除く): 20258296

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 1193, 2201, 2386, 4402, 4772, 8804, 9544, 17608, 36983, 73966, 84703, 147932, 169406, 295864, 338812, 677624, 2625793, 5251586, 10503172, 21006344]

約数ペア:

[(1, 21006344), (2, 10503172), (4, 5251586), (8, 2625793), (31, 677624), (62, 338812), (71, 295864), (124, 169406), (142, 147932), (248, 84703), (284, 73966), (568, 36983), (1193, 17608), (2201, 9544), (2386, 8804), (4402, 4772)]