21021948

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2423}}^1$

素因数の和:2674

約数の個数: 36

約数和(自身を含む): 53381328

約数和(自身を除く): 32359380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2423, 2892, 4338, 4846, 7269, 8676, 9692, 14538, 21807, 29076, 43614, 87228, 583943, 1167886, 1751829, 2335772, 3503658, 5255487, 7007316, 10510974, 21021948]

約数ペア:

[(1, 21021948), (2, 10510974), (3, 7007316), (4, 5255487), (6, 3503658), (9, 2335772), (12, 1751829), (18, 1167886), (36, 583943), (241, 87228), (482, 43614), (723, 29076), (964, 21807), (1446, 14538), (2169, 9692), (2423, 8676), (2892, 7269), (4338, 4846)]