21491622

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20947}}^1$

素因数の和:20977

約数の個数: 32

約数和(自身を含む): 50275200

約数和(自身を除く): 28783578

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20947, 41894, 62841, 125682, 188523, 377046, 397993, 565569, 795986, 1131138, 1193979, 2387958, 3581937, 7163874, 10745811, 21491622]

約数ペア:

[(1, 21491622), (2, 10745811), (3, 7163874), (6, 3581937), (9, 2387958), (18, 1193979), (19, 1131138), (27, 795986), (38, 565569), (54, 397993), (57, 377046), (114, 188523), (171, 125682), (342, 62841), (513, 41894), (1026, 20947)]