21395112

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 36665688

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 68, 82, 102, 123, 136, 164, 204, 246, 328, 408, 492, 697, 984, 1279, 1394, 2091, 2558, 2788, 3837, 4182, 5116, 5576, 7674, 8364, 10232, 15348, 16728, 21743, 30696, 43486, 52439, 65229, 86972, 104878, 130458, 157317, 173944, 209756, 260916, 314634, 419512, 521832, 629268, 891463, 1258536, 1782926, 2674389, 3565852, 5348778, 7131704, 10697556, 21395112]

約数ペア:

[(1, 21395112), (2, 10697556), (3, 7131704), (4, 5348778), (6, 3565852), (8, 2674389), (12, 1782926), (17, 1258536), (24, 891463), (34, 629268), (41, 521832), (51, 419512), (68, 314634), (82, 260916), (102, 209756), (123, 173944), (136, 157317), (164, 130458), (204, 104878), (246, 86972), (328, 65229), (408, 52439), (492, 43486), (697, 30696), (984, 21743), (1279, 16728), (1394, 15348), (2091, 10232), (2558, 8364), (2788, 7674), (3837, 5576), (4182, 5116)]