21193832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 47485440

約数和(自身を除く): 26291608

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 457, 527, 682, 748, 914, 1054, 1364, 1496, 1828, 2108, 2728, 3656, 4216, 5027, 5797, 7769, 10054, 11594, 14167, 15538, 20108, 23188, 28334, 31076, 40216, 46376, 56668, 62152, 85459, 113336, 155837, 170918, 240839, 311674, 341836, 481678, 623348, 683672, 963356, 1246696, 1926712, 2649229, 5298458, 10596916, 21193832]

約数ペア:

[(1, 21193832), (2, 10596916), (4, 5298458), (8, 2649229), (11, 1926712), (17, 1246696), (22, 963356), (31, 683672), (34, 623348), (44, 481678), (62, 341836), (68, 311674), (88, 240839), (124, 170918), (136, 155837), (187, 113336), (248, 85459), (341, 62152), (374, 56668), (457, 46376), (527, 40216), (682, 31076), (748, 28334), (914, 23188), (1054, 20108), (1364, 15538), (1496, 14167), (1828, 11594), (2108, 10054), (2728, 7769), (3656, 5797), (4216, 5027)]