21287970632

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{83477}}^1$

素因数の和:83861

約数の個数: 32

約数和(自身を含む): 40389995520

約数和(自身を除く): 19102024888

約数列:

[1, 2, 4, 8, 127, 251, 254, 502, 508, 1004, 1016, 2008, 31877, 63754, 83477, 127508, 166954, 255016, 333908, 667816, 10601579, 20952727, 21203158, 41905454, 42406316, 83810908, 84812632, 167621816, 2660996329, 5321992658, 10643985316, 21287970632]

約数ペア:

[(1, 21287970632), (2, 10643985316), (4, 5321992658), (8, 2660996329), (127, 167621816), (251, 84812632), (254, 83810908), (502, 42406316), (508, 41905454), (1004, 21203158), (1016, 20952727), (2008, 10601579), (31877, 667816), (63754, 333908), (83477, 255016), (127508, 166954)]