21551886

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^2\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 50912880

約数和(自身を除く): 29360994

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 289, 306, 459, 578, 867, 918, 1381, 1734, 2601, 2762, 4143, 5202, 7803, 8286, 12429, 15606, 23477, 24858, 37287, 46954, 70431, 74574, 140862, 211293, 399109, 422586, 633879, 798218, 1197327, 1267758, 2394654, 3591981, 7183962, 10775943, 21551886]

約数ペア:

[(1, 21551886), (2, 10775943), (3, 7183962), (6, 3591981), (9, 2394654), (17, 1267758), (18, 1197327), (27, 798218), (34, 633879), (51, 422586), (54, 399109), (102, 211293), (153, 140862), (289, 74574), (306, 70431), (459, 46954), (578, 37287), (867, 24858), (918, 23477), (1381, 15606), (1734, 12429), (2601, 8286), (2762, 7803), (4143, 5202)]