21713148

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{2087}}^1$

素因数の和:2131

約数の個数: 54

約数和(自身を含む): 58332456

約数和(自身を除く): 36619308

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1734, 2087, 2601, 3468, 4174, 5202, 6261, 8348, 10404, 12522, 18783, 25044, 35479, 37566, 70958, 75132, 106437, 141916, 212874, 319311, 425748, 603143, 638622, 1206286, 1277244, 1809429, 2412572, 3618858, 5428287, 7237716, 10856574, 21713148]

約数ペア:

[(1, 21713148), (2, 10856574), (3, 7237716), (4, 5428287), (6, 3618858), (9, 2412572), (12, 1809429), (17, 1277244), (18, 1206286), (34, 638622), (36, 603143), (51, 425748), (68, 319311), (102, 212874), (153, 141916), (204, 106437), (289, 75132), (306, 70958), (578, 37566), (612, 35479), (867, 25044), (1156, 18783), (1734, 12522), (2087, 10404), (2601, 8348), (3468, 6261), (4174, 5202)]