21342896

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1073

約数の個数: 40

約数和(自身を含む): 43925760

約数和(自身を除く): 22582864

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 944, 983, 1357, 1966, 2714, 3932, 5428, 7864, 10856, 15728, 21712, 22609, 45218, 57997, 90436, 115994, 180872, 231988, 361744, 463976, 927952, 1333931, 2667862, 5335724, 10671448, 21342896]

約数ペア:

[(1, 21342896), (2, 10671448), (4, 5335724), (8, 2667862), (16, 1333931), (23, 927952), (46, 463976), (59, 361744), (92, 231988), (118, 180872), (184, 115994), (236, 90436), (368, 57997), (472, 45218), (944, 22609), (983, 21712), (1357, 15728), (1966, 10856), (2714, 7864), (3932, 5428)]