21300246

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11953}}^1$

素因数の和:11978

約数の個数: 40

約数和(自身を含む): 52071624

約数和(自身を除く): 30771378

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11953, 23906, 35859, 71718, 107577, 131483, 215154, 262966, 322731, 394449, 645462, 788898, 968193, 1183347, 1936386, 2366694, 3550041, 7100082, 10650123, 21300246]

約数ペア:

[(1, 21300246), (2, 10650123), (3, 7100082), (6, 3550041), (9, 2366694), (11, 1936386), (18, 1183347), (22, 968193), (27, 788898), (33, 645462), (54, 394449), (66, 322731), (81, 262966), (99, 215154), (162, 131483), (198, 107577), (297, 71718), (594, 35859), (891, 23906), (1782, 11953)]