2021030665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{647}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 2586608640

約数和(自身を除く): 565577975

約数列:

[1, 5, 19, 95, 131, 251, 647, 655, 1255, 2489, 3235, 4769, 12293, 12445, 23845, 32881, 61465, 84757, 162397, 164405, 423785, 624739, 811985, 1610383, 3085543, 3123695, 8051915, 15427715, 21274007, 106370035, 404206133, 2021030665]

約数ペア:

[(1, 2021030665), (5, 404206133), (19, 106370035), (95, 21274007), (131, 15427715), (251, 8051915), (647, 3123695), (655, 3085543), (1255, 1610383), (2489, 811985), (3235, 624739), (4769, 423785), (12293, 164405), (12445, 162397), (23845, 84757), (32881, 61465)]