21835268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 25581052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 223, 269, 364, 446, 538, 892, 1076, 1561, 1883, 2899, 3122, 3497, 3766, 5798, 6244, 6994, 7532, 11596, 13988, 20293, 24479, 40586, 48958, 59987, 81172, 97916, 119974, 239948, 419909, 779831, 839818, 1559662, 1679636, 3119324, 5458817, 10917634, 21835268]

約数ペア:

[(1, 21835268), (2, 10917634), (4, 5458817), (7, 3119324), (13, 1679636), (14, 1559662), (26, 839818), (28, 779831), (52, 419909), (91, 239948), (182, 119974), (223, 97916), (269, 81172), (364, 59987), (446, 48958), (538, 40586), (892, 24479), (1076, 20293), (1561, 13988), (1883, 11596), (2899, 7532), (3122, 6994), (3497, 6244), (3766, 5798)]