21809504

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 24675424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 136, 188, 272, 376, 544, 752, 799, 853, 1504, 1598, 1706, 3196, 3412, 6392, 6824, 12784, 13648, 14501, 25568, 27296, 29002, 40091, 58004, 80182, 116008, 160364, 232016, 320728, 464032, 641456, 681547, 1282912, 1363094, 2726188, 5452376, 10904752, 21809504]

約数ペア:

[(1, 21809504), (2, 10904752), (4, 5452376), (8, 2726188), (16, 1363094), (17, 1282912), (32, 681547), (34, 641456), (47, 464032), (68, 320728), (94, 232016), (136, 160364), (188, 116008), (272, 80182), (376, 58004), (544, 40091), (752, 29002), (799, 27296), (853, 25568), (1504, 14501), (1598, 13648), (1706, 12784), (3196, 6824), (3412, 6392)]