21795136

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:479

約数の個数: 56

約数和(自身を含む): 47877984

約数和(自身を除く): 26082848

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 83, 88, 166, 176, 332, 352, 373, 664, 704, 746, 913, 1328, 1492, 1826, 2656, 2984, 3652, 4103, 5312, 5968, 7304, 8206, 11936, 14608, 16412, 23872, 29216, 30959, 32824, 58432, 61918, 65648, 123836, 131296, 247672, 262592, 340549, 495344, 681098, 990688, 1362196, 1981376, 2724392, 5448784, 10897568, 21795136]

約数ペア:

[(1, 21795136), (2, 10897568), (4, 5448784), (8, 2724392), (11, 1981376), (16, 1362196), (22, 990688), (32, 681098), (44, 495344), (64, 340549), (83, 262592), (88, 247672), (166, 131296), (176, 123836), (332, 65648), (352, 61918), (373, 58432), (664, 32824), (704, 30959), (746, 29216), (913, 23872), (1328, 16412), (1492, 14608), (1826, 11936), (2656, 8206), (2984, 7304), (3652, 5968), (4103, 5312)]