21147392

素因数分解:

$2^8\times 7^1\times {\mathrm{11801}}^1$

素因数の和:11824

約数の個数: 36

約数和(自身を含む): 48246576

約数和(自身を除く): 27099184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11801, 23602, 47204, 82607, 94408, 165214, 188816, 330428, 377632, 660856, 755264, 1321712, 1510528, 2643424, 3021056, 5286848, 10573696, 21147392]

約数ペア:

[(1, 21147392), (2, 10573696), (4, 5286848), (7, 3021056), (8, 2643424), (14, 1510528), (16, 1321712), (28, 755264), (32, 660856), (56, 377632), (64, 330428), (112, 188816), (128, 165214), (224, 94408), (256, 82607), (448, 47204), (896, 23602), (1792, 11801)]