21858912

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1156

約数の個数: 72

約数和(自身を含む): 63095760

約数和(自身を除く): 41236848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1069, 1136, 1278, 1704, 2138, 2272, 2556, 3207, 3408, 4276, 5112, 6414, 6816, 8552, 9621, 10224, 12828, 17104, 19242, 20448, 25656, 34208, 38484, 51312, 75899, 76968, 102624, 151798, 153936, 227697, 303596, 307872, 455394, 607192, 683091, 910788, 1214384, 1366182, 1821576, 2428768, 2732364, 3643152, 5464728, 7286304, 10929456, 21858912]

約数ペア:

[(1, 21858912), (2, 10929456), (3, 7286304), (4, 5464728), (6, 3643152), (8, 2732364), (9, 2428768), (12, 1821576), (16, 1366182), (18, 1214384), (24, 910788), (32, 683091), (36, 607192), (48, 455394), (71, 307872), (72, 303596), (96, 227697), (142, 153936), (144, 151798), (213, 102624), (284, 76968), (288, 75899), (426, 51312), (568, 38484), (639, 34208), (852, 25656), (1069, 20448), (1136, 19242), (1278, 17104), (1704, 12828), (2138, 10224), (2272, 9621), (2556, 8552), (3207, 6816), (3408, 6414), (4276, 5112)]