21438378

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30539}}^1$

素因数の和:30563

約数の個数: 32

約数和(自身を含む): 51307200

約数和(自身を除く): 29868822

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30539, 61078, 91617, 183234, 274851, 397007, 549702, 794014, 824553, 1191021, 1649106, 2382042, 3573063, 7146126, 10719189, 21438378]

約数ペア:

[(1, 21438378), (2, 10719189), (3, 7146126), (6, 3573063), (9, 2382042), (13, 1649106), (18, 1191021), (26, 824553), (27, 794014), (39, 549702), (54, 397007), (78, 274851), (117, 183234), (234, 91617), (351, 61078), (702, 30539)]