21094408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1297}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 42055200

約数和(自身を除く): 20960792

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 1297, 2033, 2594, 4066, 5188, 8132, 10376, 16264, 24643, 49286, 98572, 138779, 197144, 277558, 555116, 1110232, 2636801, 5273602, 10547204, 21094408]

約数ペア:

[(1, 21094408), (2, 10547204), (4, 5273602), (8, 2636801), (19, 1110232), (38, 555116), (76, 277558), (107, 197144), (152, 138779), (214, 98572), (428, 49286), (856, 24643), (1297, 16264), (2033, 10376), (2594, 8132), (4066, 5188)]