21040736080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2890211}}^1$

素因数の和:2890244

約数の個数: 80

約数和(自身を含む): 60208896384

約数和(自身を除く): 39168160304

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 2890211, 5780422, 11560844, 14451055, 20231477, 23121688, 28902110, 37572743, 40462954, 46243376, 57804220, 75145486, 80925908, 101157385, 115608440, 150290972, 161851816, 187863715, 202314770, 231216880, 263009201, 300581944, 323703632, 375727430, 404629540, 526018402, 601163888, 751454860, 809259080, 1052036804, 1315046005, 1502909720, 1618518160, 2104073608, 2630092010, 3005819440, 4208147216, 5260184020, 10520368040, 21040736080]

約数ペア:

[(1, 21040736080), (2, 10520368040), (4, 5260184020), (5, 4208147216), (7, 3005819440), (8, 2630092010), (10, 2104073608), (13, 1618518160), (14, 1502909720), (16, 1315046005), (20, 1052036804), (26, 809259080), (28, 751454860), (35, 601163888), (40, 526018402), (52, 404629540), (56, 375727430), (65, 323703632), (70, 300581944), (80, 263009201), (91, 231216880), (104, 202314770), (112, 187863715), (130, 161851816), (140, 150290972), (182, 115608440), (208, 101157385), (260, 80925908), (280, 75145486), (364, 57804220), (455, 46243376), (520, 40462954), (560, 37572743), (728, 28902110), (910, 23121688), (1040, 20231477), (1456, 14451055), (1820, 11560844), (3640, 5780422), (7280, 2890211)]