21365056

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 45674280

約数和(自身を除く): 24309224

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 269, 272, 292, 538, 544, 584, 1076, 1088, 1168, 1241, 2152, 2336, 2482, 4304, 4573, 4672, 4964, 8608, 9146, 9928, 17216, 18292, 19637, 19856, 36584, 39274, 39712, 73168, 78548, 79424, 146336, 157096, 292672, 314192, 333829, 628384, 667658, 1256768, 1335316, 2670632, 5341264, 10682528, 21365056]

約数ペア:

[(1, 21365056), (2, 10682528), (4, 5341264), (8, 2670632), (16, 1335316), (17, 1256768), (32, 667658), (34, 628384), (64, 333829), (68, 314192), (73, 292672), (136, 157096), (146, 146336), (269, 79424), (272, 78548), (292, 73168), (538, 39712), (544, 39274), (584, 36584), (1076, 19856), (1088, 19637), (1168, 18292), (1241, 17216), (2152, 9928), (2336, 9146), (2482, 8608), (4304, 4964), (4573, 4672)]