21847240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23747}}^1$

素因数の和:23781

約数の個数: 32

約数和(自身を含む): 51295680

約数和(自身を除く): 29448440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23747, 47494, 94988, 118735, 189976, 237470, 474940, 546181, 949880, 1092362, 2184724, 2730905, 4369448, 5461810, 10923620, 21847240]

約数ペア:

[(1, 21847240), (2, 10923620), (4, 5461810), (5, 4369448), (8, 2730905), (10, 2184724), (20, 1092362), (23, 949880), (40, 546181), (46, 474940), (92, 237470), (115, 189976), (184, 118735), (230, 94988), (460, 47494), (920, 23747)]