21000844482

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{4391}}^1$

素因数の和:4679

約数の個数: 64

約数和(自身を含む): 43411230720

約数和(自身を除く): 22410386238

約数列:

[1, 2, 3, 6, 71, 103, 109, 142, 206, 213, 218, 309, 327, 426, 618, 654, 4391, 7313, 7739, 8782, 11227, 13173, 14626, 15478, 21939, 22454, 23217, 26346, 33681, 43878, 46434, 67362, 311761, 452273, 478619, 623522, 797117, 904546, 935283, 957238, 1356819, 1435857, 1594234, 1870566, 2391351, 2713638, 2871714, 4782702, 32111383, 33981949, 49297757, 64222766, 67963898, 96334149, 98595514, 101945847, 147893271, 192668298, 203891694, 295786542, 3500140747, 7000281494, 10500422241, 21000844482]

約数ペア:

[(1, 21000844482), (2, 10500422241), (3, 7000281494), (6, 3500140747), (71, 295786542), (103, 203891694), (109, 192668298), (142, 147893271), (206, 101945847), (213, 98595514), (218, 96334149), (309, 67963898), (327, 64222766), (426, 49297757), (618, 33981949), (654, 32111383), (4391, 4782702), (7313, 2871714), (7739, 2713638), (8782, 2391351), (11227, 1870566), (13173, 1594234), (14626, 1435857), (15478, 1356819), (21939, 957238), (22454, 935283), (23217, 904546), (26346, 797117), (33681, 623522), (43878, 478619), (46434, 452273), (67362, 311761)]