21242019968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{619}}^1$

素因数の和:1190

約数の個数: 128

約数和(自身を含む): 46853251200

約数和(自身を除く): 25611231232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 328, 416, 503, 533, 619, 656, 832, 1006, 1066, 1238, 1312, 1664, 2012, 2132, 2476, 2624, 4024, 4264, 4952, 5248, 6539, 8047, 8048, 8528, 9904, 13078, 16094, 16096, 17056, 19808, 20623, 25379, 26156, 32188, 32192, 34112, 39616, 41246, 50758, 52312, 64376, 64384, 68224, 79232, 82492, 101516, 104624, 128752, 164984, 203032, 209248, 257504, 268099, 311357, 329927, 329968, 406064, 418496, 515008, 536198, 622714, 659854, 659936, 812128, 836992, 1030016, 1072396, 1245428, 1319708, 1319872, 1624256, 2144792, 2490856, 2639416, 2639744, 3248512, 4047641, 4289584, 4981712, 5278832, 8095282, 8579168, 9963424, 10557664, 12765637, 16190564, 17158336, 19926848, 21115328, 25531274, 32381128, 34316672, 39853696, 42230656, 51062548, 64762256, 102125096, 129524512, 165953281, 204250192, 259049024, 331906562, 408500384, 518098048, 663813124, 817000768, 1327626248, 1634001536, 2655252496, 5310504992, 10621009984, 21242019968]

約数ペア:

[(1, 21242019968), (2, 10621009984), (4, 5310504992), (8, 2655252496), (13, 1634001536), (16, 1327626248), (26, 817000768), (32, 663813124), (41, 518098048), (52, 408500384), (64, 331906562), (82, 259049024), (104, 204250192), (128, 165953281), (164, 129524512), (208, 102125096), (328, 64762256), (416, 51062548), (503, 42230656), (533, 39853696), (619, 34316672), (656, 32381128), (832, 25531274), (1006, 21115328), (1066, 19926848), (1238, 17158336), (1312, 16190564), (1664, 12765637), (2012, 10557664), (2132, 9963424), (2476, 8579168), (2624, 8095282), (4024, 5278832), (4264, 4981712), (4952, 4289584), (5248, 4047641), (6539, 3248512), (8047, 2639744), (8048, 2639416), (8528, 2490856), (9904, 2144792), (13078, 1624256), (16094, 1319872), (16096, 1319708), (17056, 1245428), (19808, 1072396), (20623, 1030016), (25379, 836992), (26156, 812128), (32188, 659936), (32192, 659854), (34112, 622714), (39616, 536198), (41246, 515008), (50758, 418496), (52312, 406064), (64376, 329968), (64384, 329927), (68224, 311357), (79232, 268099), (82492, 257504), (101516, 209248), (104624, 203032), (128752, 164984)]