21000833038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1\times {\mathrm{15541}}^1$

素因数の和:16432

約数の個数: 32

約数和(自身を含む): 33973568640

約数和(自身を除く): 12972735602

約数列:

[1, 2, 19, 38, 43, 86, 817, 827, 1634, 1654, 15541, 15713, 31082, 31426, 35561, 71122, 295279, 590558, 668263, 675659, 1336526, 1351318, 12696997, 12852407, 25393994, 25704814, 244195733, 488391466, 552653501, 1105307002, 10500416519, 21000833038]

約数ペア:

[(1, 21000833038), (2, 10500416519), (19, 1105307002), (38, 552653501), (43, 488391466), (86, 244195733), (817, 25704814), (827, 25393994), (1634, 12852407), (1654, 12696997), (15541, 1351318), (15713, 1336526), (31082, 675659), (31426, 668263), (35561, 590558), (71122, 295279)]