21513816

素因数分解:

$2^3\times 3^3\times {\mathrm{103}}^1\times {\mathrm{967}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 60403200

約数和(自身を除く): 38889384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 103, 108, 206, 216, 309, 412, 618, 824, 927, 967, 1236, 1854, 1934, 2472, 2781, 2901, 3708, 3868, 5562, 5802, 7416, 7736, 8703, 11124, 11604, 17406, 22248, 23208, 26109, 34812, 52218, 69624, 99601, 104436, 199202, 208872, 298803, 398404, 597606, 796808, 896409, 1195212, 1792818, 2390424, 2689227, 3585636, 5378454, 7171272, 10756908, 21513816]

約数ペア:

[(1, 21513816), (2, 10756908), (3, 7171272), (4, 5378454), (6, 3585636), (8, 2689227), (9, 2390424), (12, 1792818), (18, 1195212), (24, 896409), (27, 796808), (36, 597606), (54, 398404), (72, 298803), (103, 208872), (108, 199202), (206, 104436), (216, 99601), (309, 69624), (412, 52218), (618, 34812), (824, 26109), (927, 23208), (967, 22248), (1236, 17406), (1854, 11604), (1934, 11124), (2472, 8703), (2781, 7736), (2901, 7416), (3708, 5802), (3868, 5562)]