21686904

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41212296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 83, 114, 152, 166, 171, 191, 228, 249, 332, 342, 382, 456, 498, 573, 664, 684, 747, 764, 996, 1146, 1368, 1494, 1528, 1577, 1719, 1992, 2292, 2988, 3154, 3438, 3629, 4584, 4731, 5976, 6308, 6876, 7258, 9462, 10887, 12616, 13752, 14193, 14516, 15853, 18924, 21774, 28386, 29032, 31706, 32661, 37848, 43548, 47559, 56772, 63412, 65322, 87096, 95118, 113544, 126824, 130644, 142677, 190236, 261288, 285354, 301207, 380472, 570708, 602414, 903621, 1141416, 1204828, 1807242, 2409656, 2710863, 3614484, 5421726, 7228968, 10843452, 21686904]

約数ペア:

[(1, 21686904), (2, 10843452), (3, 7228968), (4, 5421726), (6, 3614484), (8, 2710863), (9, 2409656), (12, 1807242), (18, 1204828), (19, 1141416), (24, 903621), (36, 602414), (38, 570708), (57, 380472), (72, 301207), (76, 285354), (83, 261288), (114, 190236), (152, 142677), (166, 130644), (171, 126824), (191, 113544), (228, 95118), (249, 87096), (332, 65322), (342, 63412), (382, 56772), (456, 47559), (498, 43548), (573, 37848), (664, 32661), (684, 31706), (747, 29032), (764, 28386), (996, 21774), (1146, 18924), (1368, 15853), (1494, 14516), (1528, 14193), (1577, 13752), (1719, 12616), (1992, 10887), (2292, 9462), (2988, 7258), (3154, 6876), (3438, 6308), (3629, 5976), (4584, 4731)]