21074613

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12020043

約数列:

[1, 3, 7, 21, 83, 107, 113, 249, 321, 339, 581, 749, 791, 1743, 2247, 2373, 8881, 9379, 12091, 26643, 28137, 36273, 62167, 65653, 84637, 186501, 196959, 253911, 1003553, 3010659, 7024871, 21074613]

約数ペア:

[(1, 21074613), (3, 7024871), (7, 3010659), (21, 1003553), (83, 253911), (107, 196959), (113, 186501), (249, 84637), (321, 65653), (339, 62167), (581, 36273), (749, 28137), (791, 26643), (1743, 12091), (2247, 9379), (2373, 8881)]