21415648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39367}}^1$

素因数の和:39394

約数の個数: 24

約数和(自身を含む): 44643312

約数和(自身を除く): 23227664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39367, 78734, 157468, 314936, 629872, 669239, 1259744, 1338478, 2676956, 5353912, 10707824, 21415648]

約数ペア:

[(1, 21415648), (2, 10707824), (4, 5353912), (8, 2676956), (16, 1338478), (17, 1259744), (32, 669239), (34, 629872), (68, 314936), (136, 157468), (272, 78734), (544, 39367)]