21665514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16339}}^1$

素因数の和:16374

約数の個数: 32

約数和(自身を含む): 49412160

約数和(自身を除く): 27746646

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16339, 32678, 49017, 98034, 212407, 277763, 424814, 555526, 637221, 833289, 1274442, 1666578, 3610919, 7221838, 10832757, 21665514]

約数ペア:

[(1, 21665514), (2, 10832757), (3, 7221838), (6, 3610919), (13, 1666578), (17, 1274442), (26, 833289), (34, 637221), (39, 555526), (51, 424814), (78, 277763), (102, 212407), (221, 98034), (442, 49017), (663, 32678), (1326, 16339)]