21486927

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 35979264

約数和(自身を除く): 14492337

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 487, 573, 1337, 1461, 2101, 3409, 4011, 5357, 6303, 10227, 14707, 16071, 37499, 44121, 93017, 112497, 279051, 651119, 1023187, 1953357, 3069561, 7162309, 21486927]

約数ペア:

[(1, 21486927), (3, 7162309), (7, 3069561), (11, 1953357), (21, 1023187), (33, 651119), (77, 279051), (191, 112497), (231, 93017), (487, 44121), (573, 37499), (1337, 16071), (1461, 14707), (2101, 10227), (3409, 6303), (4011, 5357)]