21104423784

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{255551}}^1$

素因数の和:255631

約数の個数: 96

約数和(自身を含む): 60596490240

約数和(自身を除く): 39492066456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 37, 62, 72, 74, 93, 111, 124, 148, 186, 222, 248, 279, 296, 333, 372, 444, 558, 666, 744, 888, 1116, 1147, 1332, 2232, 2294, 2664, 3441, 4588, 6882, 9176, 10323, 13764, 20646, 27528, 41292, 82584, 255551, 511102, 766653, 1022204, 1533306, 2044408, 2299959, 3066612, 4599918, 6133224, 7922081, 9199836, 9455387, 15844162, 18399672, 18910774, 23766243, 28366161, 31688324, 37821548, 47532486, 56732322, 63376648, 71298729, 75643096, 85098483, 95064972, 113464644, 142597458, 170196966, 190129944, 226929288, 285194916, 293116997, 340393932, 570389832, 586233994, 680787864, 879350991, 1172467988, 1758701982, 2344935976, 2638052973, 3517403964, 5276105946, 7034807928, 10552211892, 21104423784]

約数ペア:

[(1, 21104423784), (2, 10552211892), (3, 7034807928), (4, 5276105946), (6, 3517403964), (8, 2638052973), (9, 2344935976), (12, 1758701982), (18, 1172467988), (24, 879350991), (31, 680787864), (36, 586233994), (37, 570389832), (62, 340393932), (72, 293116997), (74, 285194916), (93, 226929288), (111, 190129944), (124, 170196966), (148, 142597458), (186, 113464644), (222, 95064972), (248, 85098483), (279, 75643096), (296, 71298729), (333, 63376648), (372, 56732322), (444, 47532486), (558, 37821548), (666, 31688324), (744, 28366161), (888, 23766243), (1116, 18910774), (1147, 18399672), (1332, 15844162), (2232, 9455387), (2294, 9199836), (2664, 7922081), (3441, 6133224), (4588, 4599918), (6882, 3066612), (9176, 2299959), (10323, 2044408), (13764, 1533306), (20646, 1022204), (27528, 766653), (41292, 511102), (82584, 255551)]