21248332

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 44255232

約数和(自身を除く): 23006900

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 83, 164, 166, 223, 287, 332, 446, 574, 581, 892, 1148, 1162, 1561, 2324, 3122, 3403, 6244, 6806, 9143, 13612, 18286, 18509, 23821, 36572, 37018, 47642, 64001, 74036, 95284, 128002, 129563, 256004, 259126, 518252, 758869, 1517738, 3035476, 5312083, 10624166, 21248332]

約数ペア:

[(1, 21248332), (2, 10624166), (4, 5312083), (7, 3035476), (14, 1517738), (28, 758869), (41, 518252), (82, 259126), (83, 256004), (164, 129563), (166, 128002), (223, 95284), (287, 74036), (332, 64001), (446, 47642), (574, 37018), (581, 36572), (892, 23821), (1148, 18509), (1162, 18286), (1561, 13612), (2324, 9143), (3122, 6806), (3403, 6244)]