21102396581

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1\times {\mathrm{1021}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 24765038592

約数和(自身を除く): 3662642011

約数列:

[1, 7, 67, 127, 347, 469, 889, 1021, 2429, 7147, 8509, 23249, 44069, 59563, 68407, 129667, 162743, 308483, 354287, 478849, 907669, 2480009, 2952623, 8687689, 20668361, 23737229, 44994449, 60813823, 166160603, 314961143, 3014628083, 21102396581]

約数ペア:

[(1, 21102396581), (7, 3014628083), (67, 314961143), (127, 166160603), (347, 60813823), (469, 44994449), (889, 23737229), (1021, 20668361), (2429, 8687689), (7147, 2952623), (8509, 2480009), (23249, 907669), (44069, 478849), (59563, 354287), (68407, 308483), (129667, 162743)]