21083071560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{65827}}^1$

素因数の和:66015

約数の個数: 128

約数和(自身を含む): 67397339520

約数和(自身を除く): 46314267960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 157, 170, 204, 255, 314, 340, 408, 471, 510, 628, 680, 785, 942, 1020, 1256, 1570, 1884, 2040, 2355, 2669, 3140, 3768, 4710, 5338, 6280, 8007, 9420, 10676, 13345, 16014, 18840, 21352, 26690, 32028, 40035, 53380, 64056, 65827, 80070, 106760, 131654, 160140, 197481, 263308, 320280, 329135, 394962, 526616, 658270, 789924, 987405, 1119059, 1316540, 1579848, 1974810, 2238118, 2633080, 3357177, 3949620, 4476236, 5595295, 6714354, 7899240, 8952472, 10334839, 11190590, 13428708, 16785885, 20669678, 22381180, 26857416, 31004517, 33571770, 41339356, 44762360, 51674195, 62009034, 67143540, 82678712, 103348390, 124018068, 134287080, 155022585, 175692263, 206696780, 248036136, 310045170, 351384526, 413393560, 527076789, 620090340, 702769052, 878461315, 1054153578, 1240180680, 1405538104, 1756922630, 2108307156, 2635383945, 3513845260, 4216614312, 5270767890, 7027690520, 10541535780, 21083071560]

約数ペア:

[(1, 21083071560), (2, 10541535780), (3, 7027690520), (4, 5270767890), (5, 4216614312), (6, 3513845260), (8, 2635383945), (10, 2108307156), (12, 1756922630), (15, 1405538104), (17, 1240180680), (20, 1054153578), (24, 878461315), (30, 702769052), (34, 620090340), (40, 527076789), (51, 413393560), (60, 351384526), (68, 310045170), (85, 248036136), (102, 206696780), (120, 175692263), (136, 155022585), (157, 134287080), (170, 124018068), (204, 103348390), (255, 82678712), (314, 67143540), (340, 62009034), (408, 51674195), (471, 44762360), (510, 41339356), (628, 33571770), (680, 31004517), (785, 26857416), (942, 22381180), (1020, 20669678), (1256, 16785885), (1570, 13428708), (1884, 11190590), (2040, 10334839), (2355, 8952472), (2669, 7899240), (3140, 6714354), (3768, 5595295), (4710, 4476236), (5338, 3949620), (6280, 3357177), (8007, 2633080), (9420, 2238118), (10676, 1974810), (13345, 1579848), (16014, 1316540), (18840, 1119059), (21352, 987405), (26690, 789924), (32028, 658270), (40035, 526616), (53380, 394962), (64056, 329135), (65827, 320280), (80070, 263308), (106760, 197481), (131654, 160140)]