21162196764

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1733}}^1\times {\mathrm{2081}}^1$

素因数の和:3987

約数の個数: 72

約数和(自身を含む): 53878445712

約数和(自身を除く): 32716248948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1733, 1956, 2081, 2934, 3466, 4162, 5199, 5868, 6243, 6932, 8324, 10398, 12486, 15597, 18729, 20796, 24972, 31194, 37458, 62388, 74916, 282479, 339203, 564958, 678406, 847437, 1017609, 1129916, 1356812, 1694874, 2035218, 2542311, 3052827, 3389748, 3606373, 4070436, 5084622, 6105654, 7212746, 10169244, 10819119, 12211308, 14425492, 21638238, 32457357, 43276476, 64914714, 129829428, 587838799, 1175677598, 1763516397, 2351355196, 3527032794, 5290549191, 7054065588, 10581098382, 21162196764]

約数ペア:

[(1, 21162196764), (2, 10581098382), (3, 7054065588), (4, 5290549191), (6, 3527032794), (9, 2351355196), (12, 1763516397), (18, 1175677598), (36, 587838799), (163, 129829428), (326, 64914714), (489, 43276476), (652, 32457357), (978, 21638238), (1467, 14425492), (1733, 12211308), (1956, 10819119), (2081, 10169244), (2934, 7212746), (3466, 6105654), (4162, 5084622), (5199, 4070436), (5868, 3606373), (6243, 3389748), (6932, 3052827), (8324, 2542311), (10398, 2035218), (12486, 1694874), (15597, 1356812), (18729, 1129916), (20796, 1017609), (24972, 847437), (31194, 678406), (37458, 564958), (62388, 339203), (74916, 282479)]