21983104

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 51493680

約数和(自身を除く): 29510576

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 1201, 1408, 1664, 2288, 2402, 4576, 4804, 9152, 9608, 13211, 15613, 18304, 19216, 26422, 31226, 38432, 52844, 62452, 76864, 105688, 124904, 153728, 171743, 211376, 249808, 343486, 422752, 499616, 686972, 845504, 999232, 1373944, 1691008, 1998464, 2747888, 5495776, 10991552, 21983104]

約数ペア:

[(1, 21983104), (2, 10991552), (4, 5495776), (8, 2747888), (11, 1998464), (13, 1691008), (16, 1373944), (22, 999232), (26, 845504), (32, 686972), (44, 499616), (52, 422752), (64, 343486), (88, 249808), (104, 211376), (128, 171743), (143, 153728), (176, 124904), (208, 105688), (286, 76864), (352, 62452), (416, 52844), (572, 38432), (704, 31226), (832, 26422), (1144, 19216), (1201, 18304), (1408, 15613), (1664, 13211), (2288, 9608), (2402, 9152), (4576, 4804)]