21568401248

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1\times {\mathrm{797}}^1$

素因数の和:1356

約数の個数: 96

約数和(自身を含む): 45000458496

約数和(自身を除く): 23432057248

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 83, 92, 166, 184, 332, 368, 443, 664, 736, 797, 886, 1328, 1594, 1772, 1909, 2656, 3188, 3544, 3818, 6376, 7088, 7636, 10189, 12752, 14176, 15272, 18331, 20378, 25504, 30544, 36662, 36769, 40756, 61088, 66151, 73324, 73538, 81512, 132302, 146648, 147076, 163024, 264604, 293296, 294152, 326048, 353071, 529208, 586592, 588304, 706142, 845687, 1058416, 1176608, 1412284, 1521473, 1691374, 2116832, 2824568, 3042946, 3382748, 5649136, 6085892, 6765496, 8120633, 11298272, 12171784, 13530992, 16241266, 24343568, 27061984, 29304893, 32482532, 48687136, 58609786, 64965064, 117219572, 129930128, 234439144, 259860256, 468878288, 674012539, 937756576, 1348025078, 2696050156, 5392100312, 10784200624, 21568401248]

約数ペア:

[(1, 21568401248), (2, 10784200624), (4, 5392100312), (8, 2696050156), (16, 1348025078), (23, 937756576), (32, 674012539), (46, 468878288), (83, 259860256), (92, 234439144), (166, 129930128), (184, 117219572), (332, 64965064), (368, 58609786), (443, 48687136), (664, 32482532), (736, 29304893), (797, 27061984), (886, 24343568), (1328, 16241266), (1594, 13530992), (1772, 12171784), (1909, 11298272), (2656, 8120633), (3188, 6765496), (3544, 6085892), (3818, 5649136), (6376, 3382748), (7088, 3042946), (7636, 2824568), (10189, 2116832), (12752, 1691374), (14176, 1521473), (15272, 1412284), (18331, 1176608), (20378, 1058416), (25504, 845687), (30544, 706142), (36662, 588304), (36769, 586592), (40756, 529208), (61088, 353071), (66151, 326048), (73324, 294152), (73538, 293296), (81512, 264604), (132302, 163024), (146648, 147076)]