21582044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 45715824

約数和(自身を除く): 24133780

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 61, 68, 86, 121, 122, 172, 187, 242, 244, 374, 473, 484, 671, 731, 748, 946, 1037, 1342, 1462, 1892, 2057, 2074, 2623, 2684, 2924, 4114, 4148, 5203, 5246, 7381, 8041, 8228, 10406, 10492, 11407, 14762, 16082, 20812, 22814, 28853, 29524, 32164, 44591, 45628, 57706, 88451, 89182, 115412, 125477, 176902, 178364, 250954, 317383, 353804, 490501, 501908, 634766, 981002, 1269532, 1962004, 5395511, 10791022, 21582044]

約数ペア:

[(1, 21582044), (2, 10791022), (4, 5395511), (11, 1962004), (17, 1269532), (22, 981002), (34, 634766), (43, 501908), (44, 490501), (61, 353804), (68, 317383), (86, 250954), (121, 178364), (122, 176902), (172, 125477), (187, 115412), (242, 89182), (244, 88451), (374, 57706), (473, 45628), (484, 44591), (671, 32164), (731, 29524), (748, 28853), (946, 22814), (1037, 20812), (1342, 16082), (1462, 14762), (1892, 11407), (2057, 10492), (2074, 10406), (2623, 8228), (2684, 8041), (2924, 7381), (4114, 5246), (4148, 5203)]