21643416

素因数分解:

$2^3\times 3^3\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1145

約数の個数: 64

約数和(自身を含む): 60799200

約数和(自身を除く): 39155784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 97, 108, 194, 216, 291, 388, 582, 776, 873, 1033, 1164, 1746, 2066, 2328, 2619, 3099, 3492, 4132, 5238, 6198, 6984, 8264, 9297, 10476, 12396, 18594, 20952, 24792, 27891, 37188, 55782, 74376, 100201, 111564, 200402, 223128, 300603, 400804, 601206, 801608, 901809, 1202412, 1803618, 2404824, 2705427, 3607236, 5410854, 7214472, 10821708, 21643416]

約数ペア:

[(1, 21643416), (2, 10821708), (3, 7214472), (4, 5410854), (6, 3607236), (8, 2705427), (9, 2404824), (12, 1803618), (18, 1202412), (24, 901809), (27, 801608), (36, 601206), (54, 400804), (72, 300603), (97, 223128), (108, 200402), (194, 111564), (216, 100201), (291, 74376), (388, 55782), (582, 37188), (776, 27891), (873, 24792), (1033, 20952), (1164, 18594), (1746, 12396), (2066, 10476), (2328, 9297), (2619, 8264), (3099, 6984), (3492, 6198), (4132, 5238)]