21821574530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{222193}}^1$

素因数の和:222291

約数の個数: 64

約数和(自身を含む): 47609952768

約数和(自身を除く): 25788378238

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 161, 230, 305, 322, 427, 610, 805, 854, 1403, 1610, 2135, 2806, 4270, 7015, 9821, 14030, 19642, 49105, 98210, 222193, 444386, 1110965, 1555351, 2221930, 3110702, 5110439, 7776755, 10220878, 13553773, 15553510, 25552195, 27107546, 35773073, 51104390, 67768865, 71546146, 94876411, 135537730, 178865365, 189752822, 311736779, 357730730, 474382055, 623473558, 948764110, 1558683895, 2182157453, 3117367790, 4364314906, 10910787265, 21821574530]

約数ペア:

[(1, 21821574530), (2, 10910787265), (5, 4364314906), (7, 3117367790), (10, 2182157453), (14, 1558683895), (23, 948764110), (35, 623473558), (46, 474382055), (61, 357730730), (70, 311736779), (115, 189752822), (122, 178865365), (161, 135537730), (230, 94876411), (305, 71546146), (322, 67768865), (427, 51104390), (610, 35773073), (805, 27107546), (854, 25552195), (1403, 15553510), (1610, 13553773), (2135, 10220878), (2806, 7776755), (4270, 5110439), (7015, 3110702), (9821, 2221930), (14030, 1555351), (19642, 1110965), (49105, 444386), (98210, 222193)]