21025473

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 12815679

約数列:

[1, 3, 7, 21, 23, 69, 101, 161, 303, 431, 483, 707, 1293, 2121, 2323, 3017, 6969, 9051, 9913, 16261, 29739, 43531, 48783, 69391, 130593, 208173, 304717, 914151, 1001213, 3003639, 7008491, 21025473]

約数ペア:

[(1, 21025473), (3, 7008491), (7, 3003639), (21, 1001213), (23, 914151), (69, 304717), (101, 208173), (161, 130593), (303, 69391), (431, 48783), (483, 43531), (707, 29739), (1293, 16261), (2121, 9913), (2323, 9051), (3017, 6969)]