21957569792

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:912

約数の個数: 144

約数和(自身を含む): 47525452800

約数和(自身を除く): 25567883008

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 139, 152, 188, 256, 278, 304, 376, 556, 608, 691, 752, 893, 1112, 1216, 1382, 1504, 1786, 2224, 2432, 2641, 2764, 3008, 3572, 4448, 4864, 5282, 5528, 6016, 6533, 7144, 8896, 10564, 11056, 12032, 13066, 13129, 14288, 17792, 21128, 22112, 26132, 26258, 28576, 32477, 35584, 42256, 44224, 52264, 52516, 57152, 64954, 84512, 88448, 96049, 104528, 105032, 114304, 124127, 129908, 169024, 176896, 192098, 209056, 210064, 228608, 248254, 259816, 338048, 384196, 418112, 420128, 496508, 519632, 617063, 676096, 768392, 836224, 840256, 993016, 1039264, 1234126, 1536784, 1672448, 1680512, 1824931, 1986032, 2078528, 2468252, 3073568, 3361024, 3649862, 3972064, 4157056, 4514303, 4936504, 6147136, 7299724, 7944128, 8314112, 9028606, 9873008, 12294272, 14599448, 15888256, 18057212, 19746016, 24588544, 29198896, 31776512, 36114424, 39492032, 58397792, 72228848, 78984064, 85771757, 116795584, 144457696, 157968128, 171543514, 233591168, 288915392, 343087028, 467182336, 577830784, 686174056, 1155661568, 1372348112, 2744696224, 5489392448, 10978784896, 21957569792]

約数ペア:

[(1, 21957569792), (2, 10978784896), (4, 5489392448), (8, 2744696224), (16, 1372348112), (19, 1155661568), (32, 686174056), (38, 577830784), (47, 467182336), (64, 343087028), (76, 288915392), (94, 233591168), (128, 171543514), (139, 157968128), (152, 144457696), (188, 116795584), (256, 85771757), (278, 78984064), (304, 72228848), (376, 58397792), (556, 39492032), (608, 36114424), (691, 31776512), (752, 29198896), (893, 24588544), (1112, 19746016), (1216, 18057212), (1382, 15888256), (1504, 14599448), (1786, 12294272), (2224, 9873008), (2432, 9028606), (2641, 8314112), (2764, 7944128), (3008, 7299724), (3572, 6147136), (4448, 4936504), (4864, 4514303), (5282, 4157056), (5528, 3972064), (6016, 3649862), (6533, 3361024), (7144, 3073568), (8896, 2468252), (10564, 2078528), (11056, 1986032), (12032, 1824931), (13066, 1680512), (13129, 1672448), (14288, 1536784), (17792, 1234126), (21128, 1039264), (22112, 993016), (26132, 840256), (26258, 836224), (28576, 768392), (32477, 676096), (35584, 617063), (42256, 519632), (44224, 496508), (52264, 420128), (52516, 418112), (57152, 384196), (64954, 338048), (84512, 259816), (88448, 248254), (96049, 228608), (104528, 210064), (105032, 209056), (114304, 192098), (124127, 176896), (129908, 169024)]