21118812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 59910144

約数和(自身を除く): 38791332

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 39, 44, 52, 62, 66, 78, 93, 124, 132, 143, 156, 186, 286, 341, 372, 397, 403, 429, 572, 682, 794, 806, 858, 1023, 1191, 1209, 1364, 1588, 1612, 1716, 2046, 2382, 2418, 4092, 4367, 4433, 4764, 4836, 5161, 8734, 8866, 10322, 12307, 13101, 13299, 15483, 17468, 17732, 20644, 24614, 26202, 26598, 30966, 36921, 49228, 52404, 53196, 56771, 61932, 73842, 113542, 135377, 147684, 159991, 170313, 227084, 270754, 319982, 340626, 406131, 479973, 541508, 639964, 681252, 812262, 959946, 1624524, 1759901, 1919892, 3519802, 5279703, 7039604, 10559406, 21118812]

約数ペア:

[(1, 21118812), (2, 10559406), (3, 7039604), (4, 5279703), (6, 3519802), (11, 1919892), (12, 1759901), (13, 1624524), (22, 959946), (26, 812262), (31, 681252), (33, 639964), (39, 541508), (44, 479973), (52, 406131), (62, 340626), (66, 319982), (78, 270754), (93, 227084), (124, 170313), (132, 159991), (143, 147684), (156, 135377), (186, 113542), (286, 73842), (341, 61932), (372, 56771), (397, 53196), (403, 52404), (429, 49228), (572, 36921), (682, 30966), (794, 26598), (806, 26202), (858, 24614), (1023, 20644), (1191, 17732), (1209, 17468), (1364, 15483), (1588, 13299), (1612, 13101), (1716, 12307), (2046, 10322), (2382, 8866), (2418, 8734), (4092, 5161), (4367, 4836), (4433, 4764)]