21472394

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 15308086

約数列:

[1, 2, 17, 19, 34, 38, 43, 86, 323, 646, 731, 773, 817, 1462, 1546, 1634, 13141, 13889, 14687, 26282, 27778, 29374, 33239, 66478, 249679, 499358, 565063, 631541, 1130126, 1263082, 10736197, 21472394]

約数ペア:

[(1, 21472394), (2, 10736197), (17, 1263082), (19, 1130126), (34, 631541), (38, 565063), (43, 499358), (86, 249679), (323, 66478), (646, 33239), (731, 29374), (773, 27778), (817, 26282), (1462, 14687), (1546, 13889), (1634, 13141)]