21200712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{5227}}^1$

素因数の和:5262

約数の個数: 48

約数和(自身を含む): 57403440

約数和(自身を除く): 36202728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 5227, 10454, 15681, 20908, 31362, 41816, 62724, 67951, 125448, 135902, 203853, 271804, 407706, 543608, 815412, 883363, 1630824, 1766726, 2650089, 3533452, 5300178, 7066904, 10600356, 21200712]

約数ペア:

[(1, 21200712), (2, 10600356), (3, 7066904), (4, 5300178), (6, 3533452), (8, 2650089), (12, 1766726), (13, 1630824), (24, 883363), (26, 815412), (39, 543608), (52, 407706), (78, 271804), (104, 203853), (156, 135902), (169, 125448), (312, 67951), (338, 62724), (507, 41816), (676, 31362), (1014, 20908), (1352, 15681), (2028, 10454), (4056, 5227)]