21341556

素因数分解:

$2^2\times 3^4\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 60

約数和(自身を含む): 56240800

約数和(自身を除く): 34899244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 199, 324, 331, 398, 597, 662, 796, 993, 1194, 1324, 1791, 1986, 2388, 2979, 3582, 3972, 5373, 5958, 7164, 8937, 10746, 11916, 16119, 17874, 21492, 26811, 32238, 35748, 53622, 64476, 65869, 107244, 131738, 197607, 263476, 395214, 592821, 790428, 1185642, 1778463, 2371284, 3556926, 5335389, 7113852, 10670778, 21341556]

約数ペア:

[(1, 21341556), (2, 10670778), (3, 7113852), (4, 5335389), (6, 3556926), (9, 2371284), (12, 1778463), (18, 1185642), (27, 790428), (36, 592821), (54, 395214), (81, 263476), (108, 197607), (162, 131738), (199, 107244), (324, 65869), (331, 64476), (398, 53622), (597, 35748), (662, 32238), (796, 26811), (993, 21492), (1194, 17874), (1324, 16119), (1791, 11916), (1986, 10746), (2388, 8937), (2979, 7164), (3582, 5958), (3972, 5373)]