21000835446

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1\times {\mathrm{3851}}^1$

素因数の和:4841

約数の個数: 64

約数和(自身を含む): 44907540480

約数和(自身を除く): 23906705034

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 919, 989, 1838, 1978, 2757, 2967, 3851, 5514, 5934, 7702, 11553, 21137, 23106, 39517, 42274, 63411, 79034, 88573, 118551, 126822, 165593, 177146, 237102, 265719, 331186, 496779, 531438, 908891, 993558, 1817782, 2726673, 3539069, 3808639, 5453346, 7078138, 7617278, 10617207, 11425917, 21234414, 22851834, 81398587, 152179967, 162797174, 244195761, 304359934, 456539901, 488391522, 913079802, 3500139241, 7000278482, 10500417723, 21000835446]

約数ペア:

[(1, 21000835446), (2, 10500417723), (3, 7000278482), (6, 3500139241), (23, 913079802), (43, 488391522), (46, 456539901), (69, 304359934), (86, 244195761), (129, 162797174), (138, 152179967), (258, 81398587), (919, 22851834), (989, 21234414), (1838, 11425917), (1978, 10617207), (2757, 7617278), (2967, 7078138), (3851, 5453346), (5514, 3808639), (5934, 3539069), (7702, 2726673), (11553, 1817782), (21137, 993558), (23106, 908891), (39517, 531438), (42274, 496779), (63411, 331186), (79034, 265719), (88573, 237102), (118551, 177146), (126822, 165593)]