21774608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 45517920

約数和(自身を除く): 23743312

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 1747, 3116, 3494, 6232, 6988, 12464, 13976, 27952, 33193, 66386, 71627, 132772, 143254, 265544, 286508, 531088, 573016, 1146032, 1360913, 2721826, 5443652, 10887304, 21774608]

約数ペア:

[(1, 21774608), (2, 10887304), (4, 5443652), (8, 2721826), (16, 1360913), (19, 1146032), (38, 573016), (41, 531088), (76, 286508), (82, 265544), (152, 143254), (164, 132772), (304, 71627), (328, 66386), (656, 33193), (779, 27952), (1558, 13976), (1747, 12464), (3116, 6988), (3494, 6232)]