21091138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 13527614

約数列:

[1, 2, 23, 41, 46, 53, 82, 106, 211, 422, 943, 1219, 1886, 2173, 2438, 4346, 4853, 8651, 9706, 11183, 17302, 22366, 49979, 99958, 198973, 257209, 397946, 458503, 514418, 917006, 10545569, 21091138]

約数ペア:

[(1, 21091138), (2, 10545569), (23, 917006), (41, 514418), (46, 458503), (53, 397946), (82, 257209), (106, 198973), (211, 99958), (422, 49979), (943, 22366), (1219, 17302), (1886, 11183), (2173, 9706), (2438, 8651), (4346, 4853)]