21142654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 35471520

約数和(自身を除く): 14328866

約数列:

[1, 2, 13, 26, 53, 67, 106, 134, 229, 458, 689, 871, 1378, 1742, 2977, 3551, 5954, 7102, 12137, 15343, 24274, 30686, 46163, 92326, 157781, 199459, 315562, 398918, 813179, 1626358, 10571327, 21142654]

約数ペア:

[(1, 21142654), (2, 10571327), (13, 1626358), (26, 813179), (53, 398918), (67, 315562), (106, 199459), (134, 157781), (229, 92326), (458, 46163), (689, 30686), (871, 24274), (1378, 15343), (1742, 12137), (2977, 7102), (3551, 5954)]