21949862816

素因数分解:

$2^5\times 7^2\times {\mathrm{1321}}^1\times {\mathrm{10597}}^1$

素因数の和:11942

約数の個数: 72

約数和(自身を含む): 50311906596

約数和(自身を除く): 28362043780

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1321, 1568, 2642, 5284, 9247, 10568, 10597, 18494, 21136, 21194, 36988, 42272, 42388, 64729, 73976, 74179, 84776, 129458, 147952, 148358, 169552, 258916, 295904, 296716, 339104, 517832, 519253, 593432, 1035664, 1038506, 1186864, 2071328, 2077012, 2373728, 4154024, 8308048, 13998637, 16616096, 27997274, 55994548, 97990459, 111989096, 195980918, 223978192, 391961836, 447956384, 685933213, 783923672, 1371866426, 1567847344, 2743732852, 3135694688, 5487465704, 10974931408, 21949862816]

約数ペア:

[(1, 21949862816), (2, 10974931408), (4, 5487465704), (7, 3135694688), (8, 2743732852), (14, 1567847344), (16, 1371866426), (28, 783923672), (32, 685933213), (49, 447956384), (56, 391961836), (98, 223978192), (112, 195980918), (196, 111989096), (224, 97990459), (392, 55994548), (784, 27997274), (1321, 16616096), (1568, 13998637), (2642, 8308048), (5284, 4154024), (9247, 2373728), (10568, 2077012), (10597, 2071328), (18494, 1186864), (21136, 1038506), (21194, 1035664), (36988, 593432), (42272, 519253), (42388, 517832), (64729, 339104), (73976, 296716), (74179, 295904), (84776, 258916), (129458, 169552), (147952, 148358)]