21973786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 14023910

約数列:

[1, 2, 23, 41, 46, 61, 82, 122, 191, 382, 943, 1403, 1886, 2501, 2806, 4393, 5002, 7831, 8786, 11651, 15662, 23302, 57523, 115046, 180113, 267973, 360226, 477691, 535946, 955382, 10986893, 21973786]

約数ペア:

[(1, 21973786), (2, 10986893), (23, 955382), (41, 535946), (46, 477691), (61, 360226), (82, 267973), (122, 180113), (191, 115046), (382, 57523), (943, 23302), (1403, 15662), (1886, 11651), (2501, 8786), (2806, 7831), (4393, 5002)]