21426156950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1\times {\mathrm{857}}^1$

素因数の和:1358

約数の個数: 96

約数和(自身を含む): 43985006208

約数和(自身を除く): 22558849258

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 131, 262, 275, 347, 550, 655, 694, 857, 1310, 1441, 1714, 1735, 2882, 3275, 3470, 3817, 4285, 6550, 7205, 7634, 8570, 8675, 9427, 14410, 17350, 18854, 19085, 21425, 36025, 38170, 42850, 45457, 47135, 72050, 90914, 94270, 95425, 112267, 190850, 224534, 227285, 235675, 297379, 454570, 471350, 500027, 561335, 594758, 1000054, 1122670, 1136425, 1234937, 1486895, 2272850, 2469874, 2500135, 2806675, 2973790, 3271169, 5000270, 5613350, 6174685, 6542338, 7434475, 12349370, 12500675, 14868950, 16355845, 25001350, 30873425, 32711690, 38956649, 61746850, 77913298, 81779225, 163558450, 194783245, 389566490, 428523139, 857046278, 973916225, 1947832450, 2142615695, 4285231390, 10713078475, 21426156950]

約数ペア:

[(1, 21426156950), (2, 10713078475), (5, 4285231390), (10, 2142615695), (11, 1947832450), (22, 973916225), (25, 857046278), (50, 428523139), (55, 389566490), (110, 194783245), (131, 163558450), (262, 81779225), (275, 77913298), (347, 61746850), (550, 38956649), (655, 32711690), (694, 30873425), (857, 25001350), (1310, 16355845), (1441, 14868950), (1714, 12500675), (1735, 12349370), (2882, 7434475), (3275, 6542338), (3470, 6174685), (3817, 5613350), (4285, 5000270), (6550, 3271169), (7205, 2973790), (7634, 2806675), (8570, 2500135), (8675, 2469874), (9427, 2272850), (14410, 1486895), (17350, 1234937), (18854, 1136425), (19085, 1122670), (21425, 1000054), (36025, 594758), (38170, 561335), (42850, 500027), (45457, 471350), (47135, 454570), (72050, 297379), (90914, 235675), (94270, 227285), (95425, 224534), (112267, 190850)]