21495366904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{85199}}^1$

素因数の和:85324

約数の個数: 64

約数和(自身を含む): 45639936000

約数和(自身を除く): 24144569096

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 61, 88, 94, 122, 188, 244, 376, 488, 517, 671, 1034, 1342, 2068, 2684, 2867, 4136, 5368, 5734, 11468, 22936, 31537, 63074, 85199, 126148, 170398, 252296, 340796, 681592, 937189, 1874378, 3748756, 4004353, 5197139, 7497512, 8008706, 10394278, 16017412, 20788556, 32034824, 41577112, 44047883, 57168529, 88095766, 114337058, 176191532, 228674116, 244265533, 352383064, 457348232, 488531066, 977062132, 1954124264, 2686920863, 5373841726, 10747683452, 21495366904]

約数ペア:

[(1, 21495366904), (2, 10747683452), (4, 5373841726), (8, 2686920863), (11, 1954124264), (22, 977062132), (44, 488531066), (47, 457348232), (61, 352383064), (88, 244265533), (94, 228674116), (122, 176191532), (188, 114337058), (244, 88095766), (376, 57168529), (488, 44047883), (517, 41577112), (671, 32034824), (1034, 20788556), (1342, 16017412), (2068, 10394278), (2684, 8008706), (2867, 7497512), (4136, 5197139), (5368, 4004353), (5734, 3748756), (11468, 1874378), (22936, 937189), (31537, 681592), (63074, 340796), (85199, 252296), (126148, 170398)]