21821198

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 16644082

約数列:

[1, 2, 7, 14, 83, 89, 166, 178, 211, 422, 581, 623, 1162, 1246, 1477, 2954, 7387, 14774, 17513, 18779, 35026, 37558, 51709, 103418, 122591, 131453, 245182, 262906, 1558657, 3117314, 10910599, 21821198]

約数ペア:

[(1, 21821198), (2, 10910599), (7, 3117314), (14, 1558657), (83, 262906), (89, 245182), (166, 131453), (178, 122591), (211, 103418), (422, 51709), (581, 37558), (623, 35026), (1162, 18779), (1246, 17513), (1477, 14774), (2954, 7387)]