21105887946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8839}}^1$

素因数の和:8913

約数の個数: 128

約数和(自身を含む): 52181176320

約数和(自身を除く): 31075288374

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 121, 138, 143, 242, 253, 286, 299, 363, 429, 506, 598, 726, 759, 858, 897, 1331, 1518, 1573, 1794, 2662, 2783, 3146, 3289, 3993, 4719, 5566, 6578, 7986, 8349, 8839, 9438, 9867, 16698, 17303, 17678, 19734, 26517, 30613, 34606, 36179, 51909, 53034, 61226, 72358, 91839, 97229, 103818, 108537, 114907, 183678, 194458, 203297, 217074, 229814, 291687, 344721, 397969, 406594, 583374, 609891, 689442, 795938, 1069519, 1193907, 1219782, 1263977, 2139038, 2236267, 2387814, 2527954, 2642861, 3208557, 3791931, 4472534, 5285722, 6417114, 6708801, 7583862, 7928583, 11764709, 13417602, 13903747, 15857166, 23529418, 24598937, 27807494, 29071471, 35294127, 41711241, 49197874, 58142942, 70588254, 73796811, 83422482, 87214413, 147593622, 152941217, 174428826, 270588307, 305882434, 319786181, 458823651, 541176614, 639572362, 811764921, 917647302, 959358543, 1623529842, 1918717086, 3517647991, 7035295982, 10552943973, 21105887946]

約数ペア:

[(1, 21105887946), (2, 10552943973), (3, 7035295982), (6, 3517647991), (11, 1918717086), (13, 1623529842), (22, 959358543), (23, 917647302), (26, 811764921), (33, 639572362), (39, 541176614), (46, 458823651), (66, 319786181), (69, 305882434), (78, 270588307), (121, 174428826), (138, 152941217), (143, 147593622), (242, 87214413), (253, 83422482), (286, 73796811), (299, 70588254), (363, 58142942), (429, 49197874), (506, 41711241), (598, 35294127), (726, 29071471), (759, 27807494), (858, 24598937), (897, 23529418), (1331, 15857166), (1518, 13903747), (1573, 13417602), (1794, 11764709), (2662, 7928583), (2783, 7583862), (3146, 6708801), (3289, 6417114), (3993, 5285722), (4719, 4472534), (5566, 3791931), (6578, 3208557), (7986, 2642861), (8349, 2527954), (8839, 2387814), (9438, 2236267), (9867, 2139038), (16698, 1263977), (17303, 1219782), (17678, 1193907), (19734, 1069519), (26517, 795938), (30613, 689442), (34606, 609891), (36179, 583374), (51909, 406594), (53034, 397969), (61226, 344721), (72358, 291687), (91839, 229814), (97229, 217074), (103818, 203297), (108537, 194458), (114907, 183678)]