21127068

素因数分解:

$2^2\times 3^4\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:544

約数の個数: 60

約数和(自身を含む): 55678392

約数和(自身を除く): 34551324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 197, 324, 331, 394, 591, 662, 788, 993, 1182, 1324, 1773, 1986, 2364, 2979, 3546, 3972, 5319, 5958, 7092, 8937, 10638, 11916, 15957, 17874, 21276, 26811, 31914, 35748, 53622, 63828, 65207, 107244, 130414, 195621, 260828, 391242, 586863, 782484, 1173726, 1760589, 2347452, 3521178, 5281767, 7042356, 10563534, 21127068]

約数ペア:

[(1, 21127068), (2, 10563534), (3, 7042356), (4, 5281767), (6, 3521178), (9, 2347452), (12, 1760589), (18, 1173726), (27, 782484), (36, 586863), (54, 391242), (81, 260828), (108, 195621), (162, 130414), (197, 107244), (324, 65207), (331, 63828), (394, 53622), (591, 35748), (662, 31914), (788, 26811), (993, 21276), (1182, 17874), (1324, 15957), (1773, 11916), (1986, 10638), (2364, 8937), (2979, 7092), (3546, 5958), (3972, 5319)]