21169824

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16963}}^1$

素因数の和:16989

約数の個数: 48

約数和(自身を含む): 59848992

約数和(自身を除く): 38679168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16963, 33926, 50889, 67852, 101778, 135704, 203556, 220519, 271408, 407112, 441038, 542816, 661557, 814224, 882076, 1323114, 1628448, 1764152, 2646228, 3528304, 5292456, 7056608, 10584912, 21169824]

約数ペア:

[(1, 21169824), (2, 10584912), (3, 7056608), (4, 5292456), (6, 3528304), (8, 2646228), (12, 1764152), (13, 1628448), (16, 1323114), (24, 882076), (26, 814224), (32, 661557), (39, 542816), (48, 441038), (52, 407112), (78, 271408), (96, 220519), (104, 203556), (156, 135704), (208, 101778), (312, 67852), (416, 50889), (624, 33926), (1248, 16963)]