21384616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5927}}^1$

素因数の和:5985

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 23431064

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5927, 11854, 23708, 47416, 65197, 130394, 243007, 260788, 486014, 521576, 972028, 1944056, 2673077, 5346154, 10692308, 21384616]

約数ペア:

[(1, 21384616), (2, 10692308), (4, 5346154), (8, 2673077), (11, 1944056), (22, 972028), (41, 521576), (44, 486014), (82, 260788), (88, 243007), (164, 130394), (328, 65197), (451, 47416), (902, 23708), (1804, 11854), (3608, 5927)]