21235918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14407}}^1$

素因数の和:14487

約数の個数: 16

約数和(自身を含む): 35270784

約数和(自身を除く): 14034866

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14407, 28814, 158477, 316954, 965269, 1930538, 10617959, 21235918]

約数ペア:

[(1, 21235918), (2, 10617959), (11, 1930538), (22, 965269), (67, 316954), (134, 158477), (737, 28814), (1474, 14407)]