21407595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5641}}^1$

素因数の和:5683

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 17589909

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5641, 16923, 28205, 62051, 84615, 129743, 186153, 310255, 389229, 648715, 930765, 1427173, 1946145, 4281519, 7135865, 21407595]

約数ペア:

[(1, 21407595), (3, 7135865), (5, 4281519), (11, 1946145), (15, 1427173), (23, 930765), (33, 648715), (55, 389229), (69, 310255), (115, 186153), (165, 129743), (253, 84615), (345, 62051), (759, 28205), (1265, 16923), (3795, 5641)]