21986382

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 29335218

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 89, 114, 178, 197, 209, 267, 394, 418, 534, 591, 627, 979, 1182, 1254, 1691, 1958, 2167, 2937, 3382, 3743, 4334, 5073, 5874, 6501, 7486, 10146, 11229, 13002, 17533, 18601, 22458, 35066, 37202, 41173, 52599, 55803, 82346, 105198, 111606, 123519, 192863, 247038, 333127, 385726, 578589, 666254, 999381, 1157178, 1998762, 3664397, 7328794, 10993191, 21986382]

約数ペア:

[(1, 21986382), (2, 10993191), (3, 7328794), (6, 3664397), (11, 1998762), (19, 1157178), (22, 999381), (33, 666254), (38, 578589), (57, 385726), (66, 333127), (89, 247038), (114, 192863), (178, 123519), (197, 111606), (209, 105198), (267, 82346), (394, 55803), (418, 52599), (534, 41173), (591, 37202), (627, 35066), (979, 22458), (1182, 18601), (1254, 17533), (1691, 13002), (1958, 11229), (2167, 10146), (2937, 7486), (3382, 6501), (3743, 5874), (4334, 5073)]