2021157712

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 4542209280

約数和(自身を除く): 2521051568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 157, 274, 314, 548, 628, 839, 959, 1096, 1099, 1256, 1678, 1918, 2192, 2198, 2512, 3356, 3836, 4396, 5873, 6712, 7672, 8792, 11746, 13424, 15344, 17584, 21509, 23492, 43018, 46984, 86036, 93968, 114943, 131723, 150563, 172072, 229886, 263446, 301126, 344144, 459772, 526892, 602252, 804601, 919544, 922061, 1053784, 1204504, 1609202, 1839088, 1844122, 2107568, 2409008, 3218404, 3688244, 6436808, 7376488, 12873616, 14752976, 18046051, 36092102, 72184204, 126322357, 144368408, 252644714, 288736816, 505289428, 1010578856, 2021157712]

約数ペア:

[(1, 2021157712), (2, 1010578856), (4, 505289428), (7, 288736816), (8, 252644714), (14, 144368408), (16, 126322357), (28, 72184204), (56, 36092102), (112, 18046051), (137, 14752976), (157, 12873616), (274, 7376488), (314, 6436808), (548, 3688244), (628, 3218404), (839, 2409008), (959, 2107568), (1096, 1844122), (1099, 1839088), (1256, 1609202), (1678, 1204504), (1918, 1053784), (2192, 922061), (2198, 919544), (2512, 804601), (3356, 602252), (3836, 526892), (4396, 459772), (5873, 344144), (6712, 301126), (7672, 263446), (8792, 229886), (11746, 172072), (13424, 150563), (15344, 131723), (17584, 114943), (21509, 93968), (23492, 86036), (43018, 46984)]