21341240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23197}}^1$

素因数の和:23231

約数の個数: 32

約数和(自身を含む): 50107680

約数和(自身を除く): 28766440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23197, 46394, 92788, 115985, 185576, 231970, 463940, 533531, 927880, 1067062, 2134124, 2667655, 4268248, 5335310, 10670620, 21341240]

約数ペア:

[(1, 21341240), (2, 10670620), (4, 5335310), (5, 4268248), (8, 2667655), (10, 2134124), (20, 1067062), (23, 927880), (40, 533531), (46, 463940), (92, 231970), (115, 185576), (184, 115985), (230, 92788), (460, 46394), (920, 23197)]