21506796

素因数分解:

$2^2\times 3^4\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1676

約数の個数: 60

約数和(自身を含む): 57629880

約数和(自身を除く): 36123084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 162, 164, 246, 324, 369, 492, 738, 1107, 1476, 1619, 2214, 3238, 3321, 4428, 4857, 6476, 6642, 9714, 13284, 14571, 19428, 29142, 43713, 58284, 66379, 87426, 131139, 132758, 174852, 199137, 262278, 265516, 398274, 524556, 597411, 796548, 1194822, 1792233, 2389644, 3584466, 5376699, 7168932, 10753398, 21506796]

約数ペア:

[(1, 21506796), (2, 10753398), (3, 7168932), (4, 5376699), (6, 3584466), (9, 2389644), (12, 1792233), (18, 1194822), (27, 796548), (36, 597411), (41, 524556), (54, 398274), (81, 265516), (82, 262278), (108, 199137), (123, 174852), (162, 132758), (164, 131139), (246, 87426), (324, 66379), (369, 58284), (492, 43713), (738, 29142), (1107, 19428), (1476, 14571), (1619, 13284), (2214, 9714), (3238, 6642), (3321, 6476), (4428, 4857)]