21025056

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1034

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 41970912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 884, 991, 1248, 1326, 1632, 1768, 1982, 2652, 2973, 3536, 3964, 5304, 5946, 7072, 7928, 10608, 11892, 12883, 15856, 16847, 21216, 23784, 25766, 31712, 33694, 38649, 47568, 50541, 51532, 67388, 77298, 95136, 101082, 103064, 134776, 154596, 202164, 206128, 219011, 269552, 309192, 404328, 412256, 438022, 539104, 618384, 657033, 808656, 876044, 1236768, 1314066, 1617312, 1752088, 2628132, 3504176, 5256264, 7008352, 10512528, 21025056]

約数ペア:

[(1, 21025056), (2, 10512528), (3, 7008352), (4, 5256264), (6, 3504176), (8, 2628132), (12, 1752088), (13, 1617312), (16, 1314066), (17, 1236768), (24, 876044), (26, 808656), (32, 657033), (34, 618384), (39, 539104), (48, 438022), (51, 412256), (52, 404328), (68, 309192), (78, 269552), (96, 219011), (102, 206128), (104, 202164), (136, 154596), (156, 134776), (204, 103064), (208, 101082), (221, 95136), (272, 77298), (312, 67388), (408, 51532), (416, 50541), (442, 47568), (544, 38649), (624, 33694), (663, 31712), (816, 25766), (884, 23784), (991, 21216), (1248, 16847), (1326, 15856), (1632, 12883), (1768, 11892), (1982, 10608), (2652, 7928), (2973, 7072), (3536, 5946), (3964, 5304)]