21778351746

素因数分解:

$2^1\times 3^1\times {\mathrm{349}}^1\times {\mathrm{373}}^1\times {\mathrm{27883}}^1$

素因数の和:28610

約数の個数: 32

約数和(自身を含む): 43800187200

約数和(自身を除く): 22021835454

約数列:

[1, 2, 3, 6, 349, 373, 698, 746, 1047, 1119, 2094, 2238, 27883, 55766, 83649, 130177, 167298, 260354, 390531, 781062, 9731167, 10400359, 19462334, 20800718, 29193501, 31201077, 58387002, 62402154, 3629725291, 7259450582, 10889175873, 21778351746]

約数ペア:

[(1, 21778351746), (2, 10889175873), (3, 7259450582), (6, 3629725291), (349, 62402154), (373, 58387002), (698, 31201077), (746, 29193501), (1047, 20800718), (1119, 19462334), (2094, 10400359), (2238, 9731167), (27883, 781062), (55766, 390531), (83649, 260354), (130177, 167298)]