21238754016

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{32771}}^1$

素因数の和:32984

約数の個数: 96

約数和(自身を含む): 57413397888

約数和(自身を除く): 36174643872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 157, 172, 258, 314, 344, 471, 516, 628, 688, 942, 1032, 1256, 1376, 1884, 2064, 2512, 3768, 4128, 5024, 6751, 7536, 13502, 15072, 20253, 27004, 32771, 40506, 54008, 65542, 81012, 98313, 108016, 131084, 162024, 196626, 216032, 262168, 324048, 393252, 524336, 648096, 786504, 1048672, 1409153, 1573008, 2818306, 3146016, 4227459, 5145047, 5636612, 8454918, 10290094, 11273224, 15435141, 16909836, 20580188, 22546448, 30870282, 33819672, 41160376, 45092896, 61740564, 67639344, 82320752, 123481128, 135278688, 164641504, 221237021, 246962256, 442474042, 493924512, 663711063, 884948084, 1327422126, 1769896168, 2654844252, 3539792336, 5309688504, 7079584672, 10619377008, 21238754016]

約数ペア:

[(1, 21238754016), (2, 10619377008), (3, 7079584672), (4, 5309688504), (6, 3539792336), (8, 2654844252), (12, 1769896168), (16, 1327422126), (24, 884948084), (32, 663711063), (43, 493924512), (48, 442474042), (86, 246962256), (96, 221237021), (129, 164641504), (157, 135278688), (172, 123481128), (258, 82320752), (314, 67639344), (344, 61740564), (471, 45092896), (516, 41160376), (628, 33819672), (688, 30870282), (942, 22546448), (1032, 20580188), (1256, 16909836), (1376, 15435141), (1884, 11273224), (2064, 10290094), (2512, 8454918), (3768, 5636612), (4128, 5145047), (5024, 4227459), (6751, 3146016), (7536, 2818306), (13502, 1573008), (15072, 1409153), (20253, 1048672), (27004, 786504), (32771, 648096), (40506, 524336), (54008, 393252), (65542, 324048), (81012, 262168), (98313, 216032), (108016, 196626), (131084, 162024)]