21623008

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 47464704

約数和(自身を除く): 25841696

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1307, 1504, 2068, 2614, 4136, 5228, 8272, 10456, 14377, 16544, 20912, 28754, 41824, 57508, 61429, 115016, 122858, 230032, 245716, 460064, 491432, 675719, 982864, 1351438, 1965728, 2702876, 5405752, 10811504, 21623008]

約数ペア:

[(1, 21623008), (2, 10811504), (4, 5405752), (8, 2702876), (11, 1965728), (16, 1351438), (22, 982864), (32, 675719), (44, 491432), (47, 460064), (88, 245716), (94, 230032), (176, 122858), (188, 115016), (352, 61429), (376, 57508), (517, 41824), (752, 28754), (1034, 20912), (1307, 16544), (1504, 14377), (2068, 10456), (2614, 8272), (4136, 5228)]