21639834

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25579}}^1$

素因数の和:25634

約数の個数: 24

約数和(自身を含む): 47885760

約数和(自身を除く): 26245926

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25579, 51158, 76737, 153474, 230211, 460422, 1202213, 2404426, 3606639, 7213278, 10819917, 21639834]

約数ペア:

[(1, 21639834), (2, 10819917), (3, 7213278), (6, 3606639), (9, 2404426), (18, 1202213), (47, 460422), (94, 230211), (141, 153474), (282, 76737), (423, 51158), (846, 25579)]