21568248

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7681}}^1$

素因数の和:7709

約数の個数: 64

約数和(自身を含む): 64528800

約数和(自身を除く): 42960552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7681, 15362, 23043, 30724, 46086, 61448, 69129, 92172, 99853, 138258, 184344, 199706, 207387, 276516, 299559, 399412, 414774, 553032, 599118, 798824, 829548, 898677, 1198236, 1659096, 1797354, 2396472, 2696031, 3594708, 5392062, 7189416, 10784124, 21568248]

約数ペア:

[(1, 21568248), (2, 10784124), (3, 7189416), (4, 5392062), (6, 3594708), (8, 2696031), (9, 2396472), (12, 1797354), (13, 1659096), (18, 1198236), (24, 898677), (26, 829548), (27, 798824), (36, 599118), (39, 553032), (52, 414774), (54, 399412), (72, 299559), (78, 276516), (104, 207387), (108, 199706), (117, 184344), (156, 138258), (216, 99853), (234, 92172), (312, 69129), (351, 61448), (468, 46086), (702, 30724), (936, 23043), (1404, 15362), (2808, 7681)]