21224170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8389}}^1$

素因数の和:8430

約数の個数: 32

約数和(自身を含む): 43493760

約数和(自身を除く): 22269590

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8389, 16778, 41945, 83890, 92279, 184558, 192947, 385894, 461395, 922790, 964735, 1929470, 2122417, 4244834, 10612085, 21224170]

約数ペア:

[(1, 21224170), (2, 10612085), (5, 4244834), (10, 2122417), (11, 1929470), (22, 964735), (23, 922790), (46, 461395), (55, 385894), (110, 192947), (115, 184558), (230, 92279), (253, 83890), (506, 41945), (1265, 16778), (2530, 8389)]