21592635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{293}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 15239685

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 293, 867, 879, 1445, 1465, 4335, 4395, 4913, 4981, 14739, 14943, 24565, 24905, 73695, 74715, 84677, 254031, 423385, 1270155, 1439509, 4318527, 7197545, 21592635]

約数ペア:

[(1, 21592635), (3, 7197545), (5, 4318527), (15, 1439509), (17, 1270155), (51, 423385), (85, 254031), (255, 84677), (289, 74715), (293, 73695), (867, 24905), (879, 24565), (1445, 14943), (1465, 14739), (4335, 4981), (4395, 4913)]