21069288

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4279

約数の個数: 64

約数和(自身を含む): 61084800

約数和(自身を除く): 40015512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4241, 4968, 8482, 12723, 16964, 25446, 33928, 38169, 50892, 76338, 97543, 101784, 114507, 152676, 195086, 229014, 292629, 305352, 390172, 458028, 585258, 780344, 877887, 916056, 1170516, 1755774, 2341032, 2633661, 3511548, 5267322, 7023096, 10534644, 21069288]

約数ペア:

[(1, 21069288), (2, 10534644), (3, 7023096), (4, 5267322), (6, 3511548), (8, 2633661), (9, 2341032), (12, 1755774), (18, 1170516), (23, 916056), (24, 877887), (27, 780344), (36, 585258), (46, 458028), (54, 390172), (69, 305352), (72, 292629), (92, 229014), (108, 195086), (138, 152676), (184, 114507), (207, 101784), (216, 97543), (276, 76338), (414, 50892), (552, 38169), (621, 33928), (828, 25446), (1242, 16964), (1656, 12723), (2484, 8482), (4241, 4968)]