21167708556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1\times {\mathrm{1979}}^1$

素因数の和:3139

約数の個数: 96

約数和(自身を含む): 53275622400

約数和(自身を除く): 32107913844

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1091, 1634, 1979, 2182, 2451, 3268, 3273, 3958, 4364, 4902, 5937, 6546, 7916, 9804, 11874, 13092, 20729, 23748, 37601, 41458, 46913, 62187, 75202, 82916, 85097, 93826, 112803, 124374, 140739, 150404, 170194, 187652, 225606, 248748, 255291, 281478, 340388, 451212, 510582, 562956, 891347, 1021164, 1616843, 1782694, 2159089, 2674041, 3233686, 3565388, 4318178, 4850529, 5348082, 6467372, 6477267, 8636356, 9701058, 10696164, 12954534, 19402116, 25909068, 41022691, 82045382, 92840827, 123068073, 164090764, 185681654, 246136146, 278522481, 371363308, 492272292, 557044962, 1114089924, 1763975713, 3527951426, 5291927139, 7055902852, 10583854278, 21167708556]

約数ペア:

[(1, 21167708556), (2, 10583854278), (3, 7055902852), (4, 5291927139), (6, 3527951426), (12, 1763975713), (19, 1114089924), (38, 557044962), (43, 492272292), (57, 371363308), (76, 278522481), (86, 246136146), (114, 185681654), (129, 164090764), (172, 123068073), (228, 92840827), (258, 82045382), (516, 41022691), (817, 25909068), (1091, 19402116), (1634, 12954534), (1979, 10696164), (2182, 9701058), (2451, 8636356), (3268, 6477267), (3273, 6467372), (3958, 5348082), (4364, 4850529), (4902, 4318178), (5937, 3565388), (6546, 3233686), (7916, 2674041), (9804, 2159089), (11874, 1782694), (13092, 1616843), (20729, 1021164), (23748, 891347), (37601, 562956), (41458, 510582), (46913, 451212), (62187, 340388), (75202, 281478), (82916, 255291), (85097, 248748), (93826, 225606), (112803, 187652), (124374, 170194), (140739, 150404)]