21686522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 38513664

約数和(自身を除く): 16827142

約数列:

[1, 2, 11, 13, 22, 26, 143, 191, 286, 382, 397, 794, 2101, 2483, 4202, 4367, 4966, 5161, 8734, 10322, 27313, 54626, 56771, 75827, 113542, 151654, 834097, 985751, 1668194, 1971502, 10843261, 21686522]

約数ペア:

[(1, 21686522), (2, 10843261), (11, 1971502), (13, 1668194), (22, 985751), (26, 834097), (143, 151654), (191, 113542), (286, 75827), (382, 56771), (397, 54626), (794, 27313), (2101, 10322), (2483, 8734), (4202, 5161), (4367, 4966)]