21224542

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12989858

約数列:

[1, 2, 43, 47, 59, 86, 89, 94, 118, 178, 2021, 2537, 2773, 3827, 4042, 4183, 5074, 5251, 5546, 7654, 8366, 10502, 119239, 179869, 225793, 238478, 246797, 359738, 451586, 493594, 10612271, 21224542]

約数ペア:

[(1, 21224542), (2, 10612271), (43, 493594), (47, 451586), (59, 359738), (86, 246797), (89, 238478), (94, 225793), (118, 179869), (178, 119239), (2021, 10502), (2537, 8366), (2773, 7654), (3827, 5546), (4042, 5251), (4183, 5074)]