21799023

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 31948800

約数和(自身を除く): 10149777

約数列:

[1, 3, 19, 47, 57, 79, 103, 141, 237, 309, 893, 1501, 1957, 2679, 3713, 4503, 4841, 5871, 8137, 11139, 14523, 24411, 70547, 91979, 154603, 211641, 275937, 382439, 463809, 1147317, 7266341, 21799023]

約数ペア:

[(1, 21799023), (3, 7266341), (19, 1147317), (47, 463809), (57, 382439), (79, 275937), (103, 211641), (141, 154603), (237, 91979), (309, 70547), (893, 24411), (1501, 14523), (1957, 11139), (2679, 8137), (3713, 5871), (4503, 4841)]