21200916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 54871488

約数和(自身を除く): 33670572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2633, 2684, 4026, 5266, 7899, 8052, 10532, 15798, 28963, 31596, 57926, 86889, 115852, 160613, 173778, 321226, 347556, 481839, 642452, 963678, 1766743, 1927356, 3533486, 5300229, 7066972, 10600458, 21200916]

約数ペア:

[(1, 21200916), (2, 10600458), (3, 7066972), (4, 5300229), (6, 3533486), (11, 1927356), (12, 1766743), (22, 963678), (33, 642452), (44, 481839), (61, 347556), (66, 321226), (122, 173778), (132, 160613), (183, 115852), (244, 86889), (366, 57926), (671, 31596), (732, 28963), (1342, 15798), (2013, 10532), (2633, 8052), (2684, 7899), (4026, 5266)]