21007046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 13721914

約数列:

[1, 2, 19, 37, 38, 67, 74, 134, 223, 446, 703, 1273, 1406, 2479, 2546, 4237, 4958, 8251, 8474, 14941, 16502, 29882, 47101, 94202, 156769, 283879, 313538, 552817, 567758, 1105634, 10503523, 21007046]

約数ペア:

[(1, 21007046), (2, 10503523), (19, 1105634), (37, 567758), (38, 552817), (67, 313538), (74, 283879), (134, 156769), (223, 94202), (446, 47101), (703, 29882), (1273, 16502), (1406, 14941), (2479, 8474), (2546, 8251), (4237, 4958)]