21788512

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 45314640

約数和(自身を除く): 23526128

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 106, 116, 212, 232, 424, 443, 464, 848, 886, 928, 1537, 1696, 1772, 3074, 3544, 6148, 7088, 12296, 12847, 14176, 23479, 24592, 25694, 46958, 49184, 51388, 93916, 102776, 187832, 205552, 375664, 411104, 680891, 751328, 1361782, 2723564, 5447128, 10894256, 21788512]

約数ペア:

[(1, 21788512), (2, 10894256), (4, 5447128), (8, 2723564), (16, 1361782), (29, 751328), (32, 680891), (53, 411104), (58, 375664), (106, 205552), (116, 187832), (212, 102776), (232, 93916), (424, 51388), (443, 49184), (464, 46958), (848, 25694), (886, 24592), (928, 23479), (1537, 14176), (1696, 12847), (1772, 12296), (3074, 7088), (3544, 6148)]