21224930

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 39363840

約数和(自身を除く): 18138910

約数列:

[1, 2, 5, 10, 67, 79, 134, 158, 335, 395, 401, 670, 790, 802, 2005, 4010, 5293, 10586, 26465, 26867, 31679, 52930, 53734, 63358, 134335, 158395, 268670, 316790, 2122493, 4244986, 10612465, 21224930]

約数ペア:

[(1, 21224930), (2, 10612465), (5, 4244986), (10, 2122493), (67, 316790), (79, 268670), (134, 158395), (158, 134335), (335, 63358), (395, 53734), (401, 52930), (670, 31679), (790, 26867), (802, 26465), (2005, 10586), (4010, 5293)]