21167368905

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{39113}}^1$

素因数の和:39561

約数の個数: 32

約数和(自身を含む): 34282638720

約数和(自身を除く): 13115269815

約数列:

[1, 3, 5, 15, 109, 327, 331, 545, 993, 1635, 1655, 4965, 36079, 39113, 108237, 117339, 180395, 195565, 541185, 586695, 4263317, 12789951, 12946403, 21316585, 38839209, 63949755, 64732015, 194196045, 1411157927, 4233473781, 7055789635, 21167368905]

約数ペア:

[(1, 21167368905), (3, 7055789635), (5, 4233473781), (15, 1411157927), (109, 194196045), (327, 64732015), (331, 63949755), (545, 38839209), (993, 21316585), (1635, 12946403), (1655, 12789951), (4965, 4263317), (36079, 586695), (39113, 541185), (108237, 195565), (117339, 180395)]