21612810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19471}}^1$

素因数の和:19518

約数の個数: 32

約数和(自身を含む): 53275392

約数和(自身を除く): 31662582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19471, 38942, 58413, 97355, 116826, 194710, 292065, 584130, 720427, 1440854, 2161281, 3602135, 4322562, 7204270, 10806405, 21612810]

約数ペア:

[(1, 21612810), (2, 10806405), (3, 7204270), (5, 4322562), (6, 3602135), (10, 2161281), (15, 1440854), (30, 720427), (37, 584130), (74, 292065), (111, 194710), (185, 116826), (222, 97355), (370, 58413), (555, 38942), (1110, 19471)]