21570814384

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 49993050240

約数和(自身を除く): 28422235856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 73, 82, 112, 146, 164, 229, 281, 287, 292, 328, 458, 511, 562, 574, 584, 656, 916, 1022, 1124, 1148, 1168, 1603, 1832, 1967, 2044, 2248, 2296, 2993, 3206, 3664, 3934, 4088, 4496, 4592, 5986, 6412, 7868, 8176, 9389, 11521, 11972, 12824, 15736, 16717, 18778, 20513, 20951, 23042, 23944, 25648, 31472, 33434, 37556, 41026, 41902, 46084, 47888, 64349, 65723, 66868, 75112, 80647, 82052, 83804, 92168, 117019, 128698, 131446, 133736, 143591, 150224, 161294, 164104, 167608, 184336, 234038, 257396, 262892, 267472, 287182, 322588, 328208, 335216, 450443, 468076, 514792, 525784, 574364, 645176, 685397, 841033, 900886, 936152, 1029584, 1051568, 1148728, 1290352, 1370794, 1682066, 1801772, 1872304, 2297456, 2638309, 2741588, 3364132, 3603544, 4697477, 4797779, 5276618, 5483176, 5887231, 6728264, 7207088, 9394954, 9595558, 10553236, 10966352, 11774462, 13456528, 18468163, 18789908, 19191116, 21106472, 23548924, 32882339, 36936326, 37579816, 38382232, 42212944, 47097848, 65764678, 73872652, 75159632, 76764464, 94195696, 131529356, 147745304, 192596557, 263058712, 295490608, 385193114, 526117424, 770386228, 1348175899, 1540772456, 2696351798, 3081544912, 5392703596, 10785407192, 21570814384]

約数ペア:

[(1, 21570814384), (2, 10785407192), (4, 5392703596), (7, 3081544912), (8, 2696351798), (14, 1540772456), (16, 1348175899), (28, 770386228), (41, 526117424), (56, 385193114), (73, 295490608), (82, 263058712), (112, 192596557), (146, 147745304), (164, 131529356), (229, 94195696), (281, 76764464), (287, 75159632), (292, 73872652), (328, 65764678), (458, 47097848), (511, 42212944), (562, 38382232), (574, 37579816), (584, 36936326), (656, 32882339), (916, 23548924), (1022, 21106472), (1124, 19191116), (1148, 18789908), (1168, 18468163), (1603, 13456528), (1832, 11774462), (1967, 10966352), (2044, 10553236), (2248, 9595558), (2296, 9394954), (2993, 7207088), (3206, 6728264), (3664, 5887231), (3934, 5483176), (4088, 5276618), (4496, 4797779), (4592, 4697477), (5986, 3603544), (6412, 3364132), (7868, 2741588), (8176, 2638309), (9389, 2297456), (11521, 1872304), (11972, 1801772), (12824, 1682066), (15736, 1370794), (16717, 1290352), (18778, 1148728), (20513, 1051568), (20951, 1029584), (23042, 936152), (23944, 900886), (25648, 841033), (31472, 685397), (33434, 645176), (37556, 574364), (41026, 525784), (41902, 514792), (46084, 468076), (47888, 450443), (64349, 335216), (65723, 328208), (66868, 322588), (75112, 287182), (80647, 267472), (82052, 262892), (83804, 257396), (92168, 234038), (117019, 184336), (128698, 167608), (131446, 164104), (133736, 161294), (143591, 150224)]