21814304

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 45396288

約数和(自身を除く): 23581984

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 107, 184, 214, 277, 368, 428, 554, 736, 856, 1108, 1712, 2216, 2461, 3424, 4432, 4922, 6371, 8864, 9844, 12742, 19688, 25484, 29639, 39376, 50968, 59278, 78752, 101936, 118556, 203872, 237112, 474224, 681697, 948448, 1363394, 2726788, 5453576, 10907152, 21814304]

約数ペア:

[(1, 21814304), (2, 10907152), (4, 5453576), (8, 2726788), (16, 1363394), (23, 948448), (32, 681697), (46, 474224), (92, 237112), (107, 203872), (184, 118556), (214, 101936), (277, 78752), (368, 59278), (428, 50968), (554, 39376), (736, 29639), (856, 25484), (1108, 19688), (1712, 12742), (2216, 9844), (2461, 8864), (3424, 6371), (4432, 4922)]