20210909656

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^2$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 46168625160

約数和(自身を除く): 25957715504

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 67, 82, 98, 134, 137, 164, 196, 268, 274, 287, 328, 392, 469, 536, 548, 574, 938, 959, 1096, 1148, 1876, 1918, 2009, 2296, 2747, 3283, 3752, 3836, 4018, 5494, 5617, 6566, 6713, 7672, 8036, 9179, 10988, 11234, 13132, 13426, 16072, 18358, 18769, 19229, 21976, 22468, 26264, 26852, 36716, 37538, 38458, 39319, 44936, 53704, 64253, 73432, 75076, 76916, 78638, 128506, 131383, 134603, 150152, 153832, 157276, 257012, 262766, 269206, 275233, 314552, 376339, 449771, 514024, 525532, 538412, 550466, 752678, 769529, 899542, 919681, 1051064, 1076824, 1100932, 1257523, 1505356, 1539058, 1799084, 1839362, 2201864, 2515046, 2634373, 3010712, 3078116, 3598168, 3678724, 5030092, 5268746, 5386703, 6156232, 7357448, 8802661, 10060184, 10537492, 10773406, 17605322, 18440611, 21074984, 21546812, 35210644, 36881222, 37706921, 43093624, 51558443, 61618627, 70421288, 73762444, 75413842, 103116886, 123237254, 147524888, 150827684, 206233772, 246474508, 301655368, 360909101, 412467544, 492949016, 721818202, 1443636404, 2526363707, 2887272808, 5052727414, 10105454828, 20210909656]

約数ペア:

[(1, 20210909656), (2, 10105454828), (4, 5052727414), (7, 2887272808), (8, 2526363707), (14, 1443636404), (28, 721818202), (41, 492949016), (49, 412467544), (56, 360909101), (67, 301655368), (82, 246474508), (98, 206233772), (134, 150827684), (137, 147524888), (164, 123237254), (196, 103116886), (268, 75413842), (274, 73762444), (287, 70421288), (328, 61618627), (392, 51558443), (469, 43093624), (536, 37706921), (548, 36881222), (574, 35210644), (938, 21546812), (959, 21074984), (1096, 18440611), (1148, 17605322), (1876, 10773406), (1918, 10537492), (2009, 10060184), (2296, 8802661), (2747, 7357448), (3283, 6156232), (3752, 5386703), (3836, 5268746), (4018, 5030092), (5494, 3678724), (5617, 3598168), (6566, 3078116), (6713, 3010712), (7672, 2634373), (8036, 2515046), (9179, 2201864), (10988, 1839362), (11234, 1799084), (13132, 1539058), (13426, 1505356), (16072, 1257523), (18358, 1100932), (18769, 1076824), (19229, 1051064), (21976, 919681), (22468, 899542), (26264, 769529), (26852, 752678), (36716, 550466), (37538, 538412), (38458, 525532), (39319, 514024), (44936, 449771), (53704, 376339), (64253, 314552), (73432, 275233), (75076, 269206), (76916, 262766), (78638, 257012), (128506, 157276), (131383, 153832), (134603, 150152)]