21720991152

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{21599}}^1$

素因数の和:21731

約数の個数: 160

約数和(自身を含む): 66595737600

約数和(自身を除く): 44874746448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 73, 82, 84, 112, 123, 146, 164, 168, 219, 246, 287, 292, 328, 336, 438, 492, 511, 574, 584, 656, 861, 876, 984, 1022, 1148, 1168, 1533, 1722, 1752, 1968, 2044, 2296, 2993, 3066, 3444, 3504, 4088, 4592, 5986, 6132, 6888, 8176, 8979, 11972, 12264, 13776, 17958, 20951, 21599, 23944, 24528, 35916, 41902, 43198, 47888, 62853, 64797, 71832, 83804, 86396, 125706, 129594, 143664, 151193, 167608, 172792, 251412, 259188, 302386, 335216, 345584, 453579, 502824, 518376, 604772, 885559, 907158, 1005648, 1036752, 1209544, 1576727, 1771118, 1814316, 2419088, 2656677, 3153454, 3542236, 3628632, 4730181, 5313354, 6198913, 6306908, 7084472, 7257264, 9460362, 10626708, 11037089, 12397826, 12613816, 14168944, 18596739, 18920724, 21253416, 22074178, 24795652, 25227632, 33111267, 37193478, 37841448, 42506832, 44148356, 49591304, 64645807, 66222534, 74386956, 75682896, 88296712, 99182608, 129291614, 132445068, 148773912, 176593424, 193937421, 258583228, 264890136, 297547824, 387874842, 452520649, 517166456, 529780272, 775749684, 905041298, 1034332912, 1357561947, 1551499368, 1810082596, 2715123894, 3102998736, 3620165192, 5430247788, 7240330384, 10860495576, 21720991152]

約数ペア:

[(1, 21720991152), (2, 10860495576), (3, 7240330384), (4, 5430247788), (6, 3620165192), (7, 3102998736), (8, 2715123894), (12, 1810082596), (14, 1551499368), (16, 1357561947), (21, 1034332912), (24, 905041298), (28, 775749684), (41, 529780272), (42, 517166456), (48, 452520649), (56, 387874842), (73, 297547824), (82, 264890136), (84, 258583228), (112, 193937421), (123, 176593424), (146, 148773912), (164, 132445068), (168, 129291614), (219, 99182608), (246, 88296712), (287, 75682896), (292, 74386956), (328, 66222534), (336, 64645807), (438, 49591304), (492, 44148356), (511, 42506832), (574, 37841448), (584, 37193478), (656, 33111267), (861, 25227632), (876, 24795652), (984, 22074178), (1022, 21253416), (1148, 18920724), (1168, 18596739), (1533, 14168944), (1722, 12613816), (1752, 12397826), (1968, 11037089), (2044, 10626708), (2296, 9460362), (2993, 7257264), (3066, 7084472), (3444, 6306908), (3504, 6198913), (4088, 5313354), (4592, 4730181), (5986, 3628632), (6132, 3542236), (6888, 3153454), (8176, 2656677), (8979, 2419088), (11972, 1814316), (12264, 1771118), (13776, 1576727), (17958, 1209544), (20951, 1036752), (21599, 1005648), (23944, 907158), (24528, 885559), (35916, 604772), (41902, 518376), (43198, 502824), (47888, 453579), (62853, 345584), (64797, 335216), (71832, 302386), (83804, 259188), (86396, 251412), (125706, 172792), (129594, 167608), (143664, 151193)]