21622172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 45007872

約数和(自身を除く): 23385700

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 286, 367, 412, 572, 734, 1133, 1339, 1468, 2266, 2678, 4037, 4532, 4771, 5356, 8074, 9542, 14729, 16148, 19084, 29458, 37801, 52481, 58916, 75602, 104962, 151204, 209924, 415811, 491413, 831622, 982826, 1663244, 1965652, 5405543, 10811086, 21622172]

約数ペア:

[(1, 21622172), (2, 10811086), (4, 5405543), (11, 1965652), (13, 1663244), (22, 982826), (26, 831622), (44, 491413), (52, 415811), (103, 209924), (143, 151204), (206, 104962), (286, 75602), (367, 58916), (412, 52481), (572, 37801), (734, 29458), (1133, 19084), (1339, 16148), (1468, 14729), (2266, 9542), (2678, 8074), (4037, 5356), (4532, 4771)]