21512412

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11717}}^1$

素因数の和:11747

約数の個数: 48

約数和(自身を含む): 59058720

約数和(自身を除く): 37546308

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11717, 23434, 35151, 46868, 70302, 105453, 140604, 199189, 210906, 316359, 398378, 421812, 597567, 632718, 796756, 1195134, 1265436, 1792701, 2390268, 3585402, 5378103, 7170804, 10756206, 21512412]

約数ペア:

[(1, 21512412), (2, 10756206), (3, 7170804), (4, 5378103), (6, 3585402), (9, 2390268), (12, 1792701), (17, 1265436), (18, 1195134), (27, 796756), (34, 632718), (36, 597567), (51, 421812), (54, 398378), (68, 316359), (102, 210906), (108, 199189), (153, 140604), (204, 105453), (306, 70302), (459, 46868), (612, 35151), (918, 23434), (1836, 11717)]