21292653

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 30945600

約数和(自身を除く): 9652947

約数列:

[1, 3, 17, 41, 51, 123, 289, 599, 697, 867, 1797, 2091, 10183, 11849, 24559, 30549, 35547, 73677, 173111, 417503, 519333, 1252509, 7097551, 21292653]

約数ペア:

[(1, 21292653), (3, 7097551), (17, 1252509), (41, 519333), (51, 417503), (123, 173111), (289, 73677), (599, 35547), (697, 30549), (867, 24559), (1797, 11849), (2091, 10183)]