21647574

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:587

約数の個数: 80

約数和(自身を含む): 55088880

約数和(自身を除く): 33441306

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 541, 702, 741, 1026, 1053, 1082, 1482, 1539, 1623, 2106, 2223, 3078, 3246, 4446, 4869, 6669, 7033, 9738, 10279, 13338, 14066, 14607, 20007, 20558, 21099, 29214, 30837, 40014, 42198, 43821, 61674, 63297, 87642, 92511, 126594, 133627, 185022, 189891, 267254, 277533, 379782, 400881, 555066, 569673, 801762, 832599, 1139346, 1202643, 1665198, 2405286, 3607929, 7215858, 10823787, 21647574]

約数ペア:

[(1, 21647574), (2, 10823787), (3, 7215858), (6, 3607929), (9, 2405286), (13, 1665198), (18, 1202643), (19, 1139346), (26, 832599), (27, 801762), (38, 569673), (39, 555066), (54, 400881), (57, 379782), (78, 277533), (81, 267254), (114, 189891), (117, 185022), (162, 133627), (171, 126594), (234, 92511), (247, 87642), (342, 63297), (351, 61674), (494, 43821), (513, 42198), (541, 40014), (702, 30837), (741, 29214), (1026, 21099), (1053, 20558), (1082, 20007), (1482, 14607), (1539, 14066), (1623, 13338), (2106, 10279), (2223, 9738), (3078, 7033), (3246, 6669), (4446, 4869)]