21607833

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 34784640

約数和(自身を除く): 13176807

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 109, 169, 221, 299, 327, 391, 507, 663, 897, 1173, 1417, 1853, 2507, 2873, 3887, 4251, 5083, 5559, 7521, 8619, 11661, 15249, 18421, 24089, 32591, 42619, 55263, 66079, 72267, 97773, 127857, 198237, 313157, 423683, 554047, 939471, 1271049, 1662141, 7202611, 21607833]

約数ペア:

[(1, 21607833), (3, 7202611), (13, 1662141), (17, 1271049), (23, 939471), (39, 554047), (51, 423683), (69, 313157), (109, 198237), (169, 127857), (221, 97773), (299, 72267), (327, 66079), (391, 55263), (507, 42619), (663, 32591), (897, 24089), (1173, 18421), (1417, 15249), (1853, 11661), (2507, 8619), (2873, 7521), (3887, 5559), (4251, 5083)]