21420804984

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{5081}}^1\times {\mathrm{10333}}^1$

素因数の和:15440

約数の個数: 64

約数和(自身を含む): 56718779040

約数和(自身を除く): 35297974056

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 5081, 10162, 10333, 15243, 20324, 20666, 30486, 30999, 40648, 41332, 60972, 61998, 82664, 86377, 121944, 123996, 172754, 175661, 247992, 259131, 345508, 351322, 518262, 526983, 691016, 702644, 1036524, 1053966, 1405288, 2073048, 2107932, 4215864, 52501973, 105003946, 157505919, 210007892, 315011838, 420015784, 630023676, 892533541, 1260047352, 1785067082, 2677600623, 3570134164, 5355201246, 7140268328, 10710402492, 21420804984]

約数ペア:

[(1, 21420804984), (2, 10710402492), (3, 7140268328), (4, 5355201246), (6, 3570134164), (8, 2677600623), (12, 1785067082), (17, 1260047352), (24, 892533541), (34, 630023676), (51, 420015784), (68, 315011838), (102, 210007892), (136, 157505919), (204, 105003946), (408, 52501973), (5081, 4215864), (10162, 2107932), (10333, 2073048), (15243, 1405288), (20324, 1053966), (20666, 1036524), (30486, 702644), (30999, 691016), (40648, 526983), (41332, 518262), (60972, 351322), (61998, 345508), (82664, 259131), (86377, 247992), (121944, 175661), (123996, 172754)]