21786656

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1437

約数の個数: 48

約数和(自身を含む): 47015640

約数和(自身を除く): 25228984

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1381, 1972, 2762, 3944, 5524, 7888, 11048, 15776, 22096, 23477, 40049, 44192, 46954, 80098, 93908, 160196, 187816, 320392, 375632, 640784, 680833, 751264, 1281568, 1361666, 2723332, 5446664, 10893328, 21786656]

約数ペア:

[(1, 21786656), (2, 10893328), (4, 5446664), (8, 2723332), (16, 1361666), (17, 1281568), (29, 751264), (32, 680833), (34, 640784), (58, 375632), (68, 320392), (116, 187816), (136, 160196), (232, 93908), (272, 80098), (464, 46954), (493, 44192), (544, 40049), (928, 23477), (986, 22096), (1381, 15776), (1972, 11048), (2762, 7888), (3944, 5524)]