21348778864

素因数分解:

$2^4\times 7^1\times {\mathrm{971}}^1\times {\mathrm{196307}}^1$

素因数の和:197293

約数の個数: 40

約数和(自身を含む): 47321221248

約数和(自身を除く): 25972442384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 971, 1942, 3884, 6797, 7768, 13594, 15536, 27188, 54376, 108752, 196307, 392614, 785228, 1374149, 1570456, 2748298, 3140912, 5496596, 10993192, 21986384, 190614097, 381228194, 762456388, 1334298679, 1524912776, 2668597358, 3049825552, 5337194716, 10674389432, 21348778864]

約数ペア:

[(1, 21348778864), (2, 10674389432), (4, 5337194716), (7, 3049825552), (8, 2668597358), (14, 1524912776), (16, 1334298679), (28, 762456388), (56, 381228194), (112, 190614097), (971, 21986384), (1942, 10993192), (3884, 5496596), (6797, 3140912), (7768, 2748298), (13594, 1570456), (15536, 1374149), (27188, 785228), (54376, 392614), (108752, 196307)]