21919788

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{18451}}^1$

素因数の和:18475

約数の個数: 48

約数和(自身を含む): 61998720

約数和(自身を除く): 40078932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 18451, 36902, 55353, 73804, 110706, 166059, 202961, 221412, 332118, 405922, 498177, 608883, 664236, 811844, 996354, 1217766, 1826649, 1992708, 2435532, 3653298, 5479947, 7306596, 10959894, 21919788]

約数ペア:

[(1, 21919788), (2, 10959894), (3, 7306596), (4, 5479947), (6, 3653298), (9, 2435532), (11, 1992708), (12, 1826649), (18, 1217766), (22, 996354), (27, 811844), (33, 664236), (36, 608883), (44, 498177), (54, 405922), (66, 332118), (99, 221412), (108, 202961), (132, 166059), (198, 110706), (297, 73804), (396, 55353), (594, 36902), (1188, 18451)]