21332156950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1306

約数の個数: 96

約数和(自身を含む): 43281604800

約数和(自身を除く): 21949447850

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 359, 565, 650, 718, 809, 1130, 1469, 1618, 1795, 2825, 2938, 3590, 4045, 4667, 5650, 7345, 8090, 8975, 9334, 10517, 14690, 17950, 20225, 21034, 23335, 36725, 40450, 40567, 46670, 52585, 73450, 81134, 91417, 105170, 116675, 182834, 202835, 233350, 262925, 290431, 405670, 457085, 525850, 527371, 580862, 914170, 1014175, 1054742, 1188421, 1452155, 2028350, 2285425, 2376842, 2636855, 2904310, 3775603, 4570850, 5273710, 5942105, 7260775, 7551206, 11884210, 13184275, 14521550, 18878015, 26368550, 29710525, 32818703, 37756030, 59421050, 65637406, 94390075, 164093515, 188780150, 328187030, 426643139, 820467575, 853286278, 1640935150, 2133215695, 4266431390, 10666078475, 21332156950]

約数ペア:

[(1, 21332156950), (2, 10666078475), (5, 4266431390), (10, 2133215695), (13, 1640935150), (25, 853286278), (26, 820467575), (50, 426643139), (65, 328187030), (113, 188780150), (130, 164093515), (226, 94390075), (325, 65637406), (359, 59421050), (565, 37756030), (650, 32818703), (718, 29710525), (809, 26368550), (1130, 18878015), (1469, 14521550), (1618, 13184275), (1795, 11884210), (2825, 7551206), (2938, 7260775), (3590, 5942105), (4045, 5273710), (4667, 4570850), (5650, 3775603), (7345, 2904310), (8090, 2636855), (8975, 2376842), (9334, 2285425), (10517, 2028350), (14690, 1452155), (17950, 1188421), (20225, 1054742), (21034, 1014175), (23335, 914170), (36725, 580862), (40450, 527371), (40567, 525850), (46670, 457085), (52585, 405670), (73450, 290431), (81134, 262925), (91417, 233350), (105170, 202835), (116675, 182834)]