21193669845

素因数分解:

$3^4\times 5^1\times {\mathrm{14071}}^1\times {\mathrm{3719}}^1$

素因数の和:17807

約数の個数: 40

約数和(自身を含む): 38004531840

約数和(自身を除く): 16810861995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3719, 11157, 14071, 18595, 33471, 42213, 55785, 70355, 100413, 126639, 167355, 211065, 301239, 379917, 502065, 633195, 1139751, 1506195, 1899585, 5698755, 52330049, 156990147, 261650245, 470970441, 784950735, 1412911323, 2354852205, 4238733969, 7064556615, 21193669845]

約数ペア:

[(1, 21193669845), (3, 7064556615), (5, 4238733969), (9, 2354852205), (15, 1412911323), (27, 784950735), (45, 470970441), (81, 261650245), (135, 156990147), (405, 52330049), (3719, 5698755), (11157, 1899585), (14071, 1506195), (18595, 1139751), (33471, 633195), (42213, 502065), (55785, 379917), (70355, 301239), (100413, 211065), (126639, 167355)]