2105207013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 3524677632

約数和(自身を除く): 1419470619

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 313, 347, 497, 923, 939, 1041, 1491, 2191, 2429, 2769, 4069, 4511, 6461, 6573, 7287, 12207, 13533, 19383, 22223, 24637, 28483, 31577, 66669, 73911, 85449, 94731, 108611, 155561, 172459, 288899, 320281, 325833, 466683, 517377, 760277, 866697, 960843, 1411943, 2022293, 2241967, 2280831, 4235829, 6066879, 6725901, 7711381, 9883601, 23134143, 29650803, 53979667, 100247953, 161939001, 300743859, 701735671, 2105207013]

約数ペア:

[(1, 2105207013), (3, 701735671), (7, 300743859), (13, 161939001), (21, 100247953), (39, 53979667), (71, 29650803), (91, 23134143), (213, 9883601), (273, 7711381), (313, 6725901), (347, 6066879), (497, 4235829), (923, 2280831), (939, 2241967), (1041, 2022293), (1491, 1411943), (2191, 960843), (2429, 866697), (2769, 760277), (4069, 517377), (4511, 466683), (6461, 325833), (6573, 320281), (7287, 288899), (12207, 172459), (13533, 155561), (19383, 108611), (22223, 94731), (24637, 85449), (28483, 73911), (31577, 66669)]