21557590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19810730

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1367, 1577, 2734, 3154, 6835, 7885, 13670, 15770, 25973, 51946, 113461, 129865, 226922, 259730, 567305, 1134610, 2155759, 4311518, 10778795, 21557590]

約数ペア:

[(1, 21557590), (2, 10778795), (5, 4311518), (10, 2155759), (19, 1134610), (38, 567305), (83, 259730), (95, 226922), (166, 129865), (190, 113461), (415, 51946), (830, 25973), (1367, 15770), (1577, 13670), (2734, 7885), (3154, 6835)]