21396316

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2753}}^1$

素因数の和:2853

約数の個数: 24

約数和(自身を含む): 39327120

約数和(自身を除く): 17930804

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 2753, 3886, 5506, 7772, 11012, 79837, 159674, 184451, 319348, 368902, 737804, 5349079, 10698158, 21396316]

約数ペア:

[(1, 21396316), (2, 10698158), (4, 5349079), (29, 737804), (58, 368902), (67, 319348), (116, 184451), (134, 159674), (268, 79837), (1943, 11012), (2753, 7772), (3886, 5506)]