21192619030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{345889}}^1$

素因数の和:346464

約数の個数: 32

約数和(自身を含む): 41689429920

約数和(自身を除く): 20496810890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 557, 1114, 2785, 5570, 6127, 12254, 30635, 61270, 345889, 691778, 1729445, 3458890, 3804779, 7609558, 19023895, 38047790, 192660173, 385320346, 963300865, 1926601730, 2119261903, 4238523806, 10596309515, 21192619030]

約数ペア:

[(1, 21192619030), (2, 10596309515), (5, 4238523806), (10, 2119261903), (11, 1926601730), (22, 963300865), (55, 385320346), (110, 192660173), (557, 38047790), (1114, 19023895), (2785, 7609558), (5570, 3804779), (6127, 3458890), (12254, 1729445), (30635, 691778), (61270, 345889)]