21428324

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 38856888

約数和(自身を除く): 17428564

約数列:

[1, 2, 4, 53, 61, 106, 122, 212, 244, 1657, 3233, 3314, 6466, 6628, 12932, 87821, 101077, 175642, 202154, 351284, 404308, 5357081, 10714162, 21428324]

約数ペア:

[(1, 21428324), (2, 10714162), (4, 5357081), (53, 404308), (61, 351284), (106, 202154), (122, 175642), (212, 101077), (244, 87821), (1657, 12932), (3233, 6628), (3314, 6466)]