21527168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 48966120

約数和(自身を除く): 27438952

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 761, 832, 884, 1088, 1522, 1664, 1768, 2176, 3044, 3536, 6088, 7072, 9893, 12176, 12937, 14144, 19786, 24352, 25874, 28288, 39572, 48704, 51748, 79144, 97408, 103496, 158288, 168181, 206992, 316576, 336362, 413984, 633152, 672724, 827968, 1266304, 1345448, 1655936, 2690896, 5381792, 10763584, 21527168]

約数ペア:

[(1, 21527168), (2, 10763584), (4, 5381792), (8, 2690896), (13, 1655936), (16, 1345448), (17, 1266304), (26, 827968), (32, 672724), (34, 633152), (52, 413984), (64, 336362), (68, 316576), (104, 206992), (128, 168181), (136, 158288), (208, 103496), (221, 97408), (272, 79144), (416, 51748), (442, 48704), (544, 39572), (761, 28288), (832, 25874), (884, 24352), (1088, 19786), (1522, 14144), (1664, 12937), (1768, 12176), (2176, 9893), (3044, 7072), (3536, 6088)]