21915504

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 69058080

約数和(自身を除く): 47142576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 509, 552, 598, 624, 828, 897, 936, 1018, 1104, 1196, 1527, 1656, 1794, 1872, 2036, 2392, 2691, 3054, 3312, 3588, 4072, 4581, 4784, 5382, 6108, 6617, 7176, 8144, 9162, 10764, 11707, 12216, 13234, 14352, 18324, 19851, 21528, 23414, 24432, 26468, 35121, 36648, 39702, 43056, 46828, 52936, 59553, 70242, 73296, 79404, 93656, 105363, 105872, 119106, 140484, 152191, 158808, 187312, 210726, 238212, 280968, 304382, 317616, 421452, 456573, 476424, 561936, 608764, 842904, 913146, 952848, 1217528, 1369719, 1685808, 1826292, 2435056, 2739438, 3652584, 5478876, 7305168, 10957752, 21915504]

約数ペア:

[(1, 21915504), (2, 10957752), (3, 7305168), (4, 5478876), (6, 3652584), (8, 2739438), (9, 2435056), (12, 1826292), (13, 1685808), (16, 1369719), (18, 1217528), (23, 952848), (24, 913146), (26, 842904), (36, 608764), (39, 561936), (46, 476424), (48, 456573), (52, 421452), (69, 317616), (72, 304382), (78, 280968), (92, 238212), (104, 210726), (117, 187312), (138, 158808), (144, 152191), (156, 140484), (184, 119106), (207, 105872), (208, 105363), (234, 93656), (276, 79404), (299, 73296), (312, 70242), (368, 59553), (414, 52936), (468, 46828), (509, 43056), (552, 39702), (598, 36648), (624, 35121), (828, 26468), (897, 24432), (936, 23414), (1018, 21528), (1104, 19851), (1196, 18324), (1527, 14352), (1656, 13234), (1794, 12216), (1872, 11707), (2036, 10764), (2392, 9162), (2691, 8144), (3054, 7176), (3312, 6617), (3588, 6108), (4072, 5382), (4581, 4784)]