21071894864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{9041}}^1$

素因数の和:9244

約数の個数: 80

約数和(自身を含む): 43628445696

約数和(自身を除く): 22556550832

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 127, 148, 248, 254, 296, 496, 508, 592, 1016, 1147, 2032, 2294, 3937, 4588, 4699, 7874, 9041, 9176, 9398, 15748, 18082, 18352, 18796, 31496, 36164, 37592, 62992, 72328, 75184, 144656, 145669, 280271, 291338, 334517, 560542, 582676, 669034, 1121084, 1148207, 1165352, 1338068, 2242168, 2296414, 2330704, 2676136, 4484336, 4592828, 5352272, 9185656, 10370027, 18371312, 20740054, 35594417, 41480108, 42483659, 71188834, 82960216, 84967318, 142377668, 165920432, 169934636, 284755336, 339869272, 569510672, 679738544, 1316993429, 2633986858, 5267973716, 10535947432, 21071894864]

約数ペア:

[(1, 21071894864), (2, 10535947432), (4, 5267973716), (8, 2633986858), (16, 1316993429), (31, 679738544), (37, 569510672), (62, 339869272), (74, 284755336), (124, 169934636), (127, 165920432), (148, 142377668), (248, 84967318), (254, 82960216), (296, 71188834), (496, 42483659), (508, 41480108), (592, 35594417), (1016, 20740054), (1147, 18371312), (2032, 10370027), (2294, 9185656), (3937, 5352272), (4588, 4592828), (4699, 4484336), (7874, 2676136), (9041, 2330704), (9176, 2296414), (9398, 2242168), (15748, 1338068), (18082, 1165352), (18352, 1148207), (18796, 1121084), (31496, 669034), (36164, 582676), (37592, 560542), (62992, 334517), (72328, 291338), (75184, 280271), (144656, 145669)]