21874664

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4027}}^1$

素因数の和:4137

約数の個数: 32

約数和(自身を含む): 47369280

約数和(自身を除く): 25494616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 4027, 5432, 8054, 16108, 28189, 32216, 56378, 112756, 225512, 390619, 781238, 1562476, 2734333, 3124952, 5468666, 10937332, 21874664]

約数ペア:

[(1, 21874664), (2, 10937332), (4, 5468666), (7, 3124952), (8, 2734333), (14, 1562476), (28, 781238), (56, 390619), (97, 225512), (194, 112756), (388, 56378), (679, 32216), (776, 28189), (1358, 16108), (2716, 8054), (4027, 5432)]