21257642403

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{5023}}^1\times {\mathrm{3823}}^1$

素因数の和:8896

約数の個数: 32

約数和(自身を含む): 32275783680

約数和(自身を除く): 11018141277

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 3823, 5023, 11469, 15069, 34407, 45207, 103221, 135621, 156743, 205943, 470229, 617829, 1410687, 1853487, 4232061, 5560461, 19202929, 57608787, 172826361, 518479083, 787320089, 2361960267, 7085880801, 21257642403]

約数ペア:

[(1, 21257642403), (3, 7085880801), (9, 2361960267), (27, 787320089), (41, 518479083), (123, 172826361), (369, 57608787), (1107, 19202929), (3823, 5560461), (5023, 4232061), (11469, 1853487), (15069, 1410687), (34407, 617829), (45207, 470229), (103221, 205943), (135621, 156743)]