21167339515

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 29941825536

約数和(自身を除く): 8774486021

約数列:

[1, 5, 7, 35, 73, 97, 223, 365, 383, 485, 511, 679, 1115, 1561, 1915, 2555, 2681, 3395, 7081, 7805, 13405, 16279, 21631, 27959, 35405, 37151, 49567, 81395, 85409, 108155, 113953, 139795, 151417, 185755, 195713, 247835, 260057, 427045, 569765, 597863, 757085, 978565, 1300285, 1579063, 2712023, 2989315, 6234857, 7895315, 8284673, 11053441, 13560115, 18984161, 31174285, 41423365, 43643999, 55267205, 57992711, 94920805, 218219995, 289963555, 604781129, 3023905645, 4233467903, 21167339515]

約数ペア:

[(1, 21167339515), (5, 4233467903), (7, 3023905645), (35, 604781129), (73, 289963555), (97, 218219995), (223, 94920805), (365, 57992711), (383, 55267205), (485, 43643999), (511, 41423365), (679, 31174285), (1115, 18984161), (1561, 13560115), (1915, 11053441), (2555, 8284673), (2681, 7895315), (3395, 6234857), (7081, 2989315), (7805, 2712023), (13405, 1579063), (16279, 1300285), (21631, 978565), (27959, 757085), (35405, 597863), (37151, 569765), (49567, 427045), (81395, 260057), (85409, 247835), (108155, 195713), (113953, 185755), (139795, 151417)]