21718522

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 16643078

約数列:

[1, 2, 7, 14, 73, 79, 146, 158, 269, 511, 538, 553, 1022, 1106, 1883, 3766, 5767, 11534, 19637, 21251, 39274, 40369, 42502, 80738, 137459, 148757, 274918, 297514, 1551323, 3102646, 10859261, 21718522]

約数ペア:

[(1, 21718522), (2, 10859261), (7, 3102646), (14, 1551323), (73, 297514), (79, 274918), (146, 148757), (158, 137459), (269, 80738), (511, 42502), (538, 40369), (553, 39274), (1022, 21251), (1106, 19637), (1883, 11534), (3766, 5767)]