21931539248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{70297}}^1$

素因数の和:70390

約数の個数: 80

約数和(自身を含む): 47699161344

約数和(自身を除く): 25767622096

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 37, 62, 68, 74, 124, 136, 148, 248, 272, 296, 496, 527, 592, 629, 1054, 1147, 1258, 2108, 2294, 2516, 4216, 4588, 5032, 8432, 9176, 10064, 18352, 19499, 38998, 70297, 77996, 140594, 155992, 281188, 311984, 562376, 1124752, 1195049, 2179207, 2390098, 2600989, 4358414, 4780196, 5201978, 8716828, 9560392, 10403956, 17433656, 19120784, 20807912, 34867312, 37046519, 41615824, 44216813, 74093038, 80630659, 88433626, 148186076, 161261318, 176867252, 296372152, 322522636, 353734504, 592744304, 645045272, 707469008, 1290090544, 1370721203, 2741442406, 5482884812, 10965769624, 21931539248]

約数ペア:

[(1, 21931539248), (2, 10965769624), (4, 5482884812), (8, 2741442406), (16, 1370721203), (17, 1290090544), (31, 707469008), (34, 645045272), (37, 592744304), (62, 353734504), (68, 322522636), (74, 296372152), (124, 176867252), (136, 161261318), (148, 148186076), (248, 88433626), (272, 80630659), (296, 74093038), (496, 44216813), (527, 41615824), (592, 37046519), (629, 34867312), (1054, 20807912), (1147, 19120784), (1258, 17433656), (2108, 10403956), (2294, 9560392), (2516, 8716828), (4216, 5201978), (4588, 4780196), (5032, 4358414), (8432, 2600989), (9176, 2390098), (10064, 2179207), (18352, 1195049), (19499, 1124752), (38998, 562376), (70297, 311984), (77996, 281188), (140594, 155992)]