21450378

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 44554752

約数和(自身を除く): 23104374

約数列:

[1, 2, 3, 6, 43, 71, 86, 129, 142, 213, 258, 426, 1171, 2342, 3053, 3513, 6106, 7026, 9159, 18318, 50353, 83141, 100706, 151059, 166282, 249423, 302118, 498846, 3575063, 7150126, 10725189, 21450378]

約数ペア:

[(1, 21450378), (2, 10725189), (3, 7150126), (6, 3575063), (43, 498846), (71, 302118), (86, 249423), (129, 166282), (142, 151059), (213, 100706), (258, 83141), (426, 50353), (1171, 18318), (2342, 9159), (3053, 7026), (3513, 6106)]