21250528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2267

約数の個数: 48

約数和(自身を含む): 47035296

約数和(自身を除く): 25784768

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 2221, 2392, 4442, 4784, 8884, 9568, 17768, 28873, 35536, 51083, 57746, 71072, 102166, 115492, 204332, 230984, 408664, 461968, 664079, 817328, 923936, 1328158, 1634656, 2656316, 5312632, 10625264, 21250528]

約数ペア:

[(1, 21250528), (2, 10625264), (4, 5312632), (8, 2656316), (13, 1634656), (16, 1328158), (23, 923936), (26, 817328), (32, 664079), (46, 461968), (52, 408664), (92, 230984), (104, 204332), (184, 115492), (208, 102166), (299, 71072), (368, 57746), (416, 51083), (598, 35536), (736, 28873), (1196, 17768), (2221, 9568), (2392, 8884), (4442, 4784)]