21091345086

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31729}}^1$

素因数の和:31791

約数の個数: 128

約数和(自身を含む): 54829440000

約数和(自身を除く): 33738094914

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 49, 51, 57, 98, 102, 114, 119, 133, 147, 238, 266, 294, 323, 343, 357, 399, 646, 686, 714, 798, 833, 931, 969, 1029, 1666, 1862, 1938, 2058, 2261, 2499, 2793, 4522, 4998, 5586, 5831, 6517, 6783, 11662, 13034, 13566, 15827, 17493, 19551, 31654, 31729, 34986, 39102, 47481, 63458, 94962, 95187, 110789, 190374, 221578, 222103, 332367, 444206, 539393, 602851, 664734, 666309, 1078786, 1205702, 1332618, 1554721, 1618179, 1808553, 3109442, 3236358, 3617106, 3775751, 4219957, 4664163, 7551502, 8439914, 9328326, 10248467, 10883047, 11327253, 12659871, 20496934, 21766094, 22654506, 25319742, 26430257, 29539699, 30745401, 32649141, 52860514, 59079398, 61490802, 65298282, 71739269, 79290771, 88619097, 143478538, 158581542, 177238194, 185011799, 206777893, 215217807, 370023598, 413555786, 430435614, 502174883, 555035397, 620333679, 1004349766, 1110070794, 1240667358, 1506524649, 3013049298, 3515224181, 7030448362, 10545672543, 21091345086]

約数ペア:

[(1, 21091345086), (2, 10545672543), (3, 7030448362), (6, 3515224181), (7, 3013049298), (14, 1506524649), (17, 1240667358), (19, 1110070794), (21, 1004349766), (34, 620333679), (38, 555035397), (42, 502174883), (49, 430435614), (51, 413555786), (57, 370023598), (98, 215217807), (102, 206777893), (114, 185011799), (119, 177238194), (133, 158581542), (147, 143478538), (238, 88619097), (266, 79290771), (294, 71739269), (323, 65298282), (343, 61490802), (357, 59079398), (399, 52860514), (646, 32649141), (686, 30745401), (714, 29539699), (798, 26430257), (833, 25319742), (931, 22654506), (969, 21766094), (1029, 20496934), (1666, 12659871), (1862, 11327253), (1938, 10883047), (2058, 10248467), (2261, 9328326), (2499, 8439914), (2793, 7551502), (4522, 4664163), (4998, 4219957), (5586, 3775751), (5831, 3617106), (6517, 3236358), (6783, 3109442), (11662, 1808553), (13034, 1618179), (13566, 1554721), (15827, 1332618), (17493, 1205702), (19551, 1078786), (31654, 666309), (31729, 664734), (34986, 602851), (39102, 539393), (47481, 444206), (63458, 332367), (94962, 222103), (95187, 221578), (110789, 190374)]