21503252

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4973}}^1$

素因数の和:5047

約数の個数: 24

約数和(自身を含む): 40110336

約数和(自身を除く): 18607084

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4973, 9946, 19892, 114379, 228758, 233731, 457516, 467462, 934924, 5375813, 10751626, 21503252]

約数ペア:

[(1, 21503252), (2, 10751626), (4, 5375813), (23, 934924), (46, 467462), (47, 457516), (92, 233731), (94, 228758), (188, 114379), (1081, 19892), (2162, 9946), (4324, 4973)]