21721167368

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{653}}^1\times {\mathrm{14797}}^1$

素因数の和:15737

約数の個数: 32

約数和(自身を含む): 40937483160

約数和(自身を除く): 19216315792

約数列:

[1, 2, 4, 8, 281, 562, 653, 1124, 1306, 2248, 2612, 5224, 14797, 29594, 59188, 118376, 183493, 366986, 733972, 1467944, 4157957, 8315914, 9662441, 16631828, 19324882, 33263656, 38649764, 77299528, 2715145921, 5430291842, 10860583684, 21721167368]

約数ペア:

[(1, 21721167368), (2, 10860583684), (4, 5430291842), (8, 2715145921), (281, 77299528), (562, 38649764), (653, 33263656), (1124, 19324882), (1306, 16631828), (2248, 9662441), (2612, 8315914), (5224, 4157957), (14797, 1467944), (29594, 733972), (59188, 366986), (118376, 183493)]