21461439965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{27059}}^1$

素因数の和:27162

約数の個数: 64

約数和(自身を含む): 32918814720

約数和(自身を除く): 11457374755

約数列:

[1, 5, 7, 17, 31, 35, 43, 85, 119, 155, 215, 217, 301, 527, 595, 731, 1085, 1333, 1505, 2635, 3655, 3689, 5117, 6665, 9331, 18445, 22661, 25585, 27059, 46655, 113305, 135295, 158627, 189413, 460003, 793135, 838829, 947065, 1163537, 2300015, 3220021, 4194145, 5817685, 5871803, 8144759, 14260093, 16100105, 19780129, 29359015, 36069647, 40723795, 71300465, 98900645, 99820651, 138460903, 180348235, 252487529, 499103255, 613183999, 692304515, 1262437645, 3065919995, 4292287993, 21461439965]

約数ペア:

[(1, 21461439965), (5, 4292287993), (7, 3065919995), (17, 1262437645), (31, 692304515), (35, 613183999), (43, 499103255), (85, 252487529), (119, 180348235), (155, 138460903), (215, 99820651), (217, 98900645), (301, 71300465), (527, 40723795), (595, 36069647), (731, 29359015), (1085, 19780129), (1333, 16100105), (1505, 14260093), (2635, 8144759), (3655, 5871803), (3689, 5817685), (5117, 4194145), (6665, 3220021), (9331, 2300015), (18445, 1163537), (22661, 947065), (25585, 838829), (27059, 793135), (46655, 460003), (113305, 189413), (135295, 158627)]