21825518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 41341104

約数和(自身を除く): 19515586

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 67, 134, 143, 187, 221, 286, 374, 442, 737, 871, 1139, 1474, 1742, 2278, 2431, 4489, 4862, 8978, 9581, 12529, 14807, 19162, 25058, 29614, 49379, 58357, 76313, 98758, 116714, 152626, 162877, 325754, 641927, 839443, 992069, 1283854, 1678886, 1984138, 10912759, 21825518]

約数ペア:

[(1, 21825518), (2, 10912759), (11, 1984138), (13, 1678886), (17, 1283854), (22, 992069), (26, 839443), (34, 641927), (67, 325754), (134, 162877), (143, 152626), (187, 116714), (221, 98758), (286, 76313), (374, 58357), (442, 49379), (737, 29614), (871, 25058), (1139, 19162), (1474, 14807), (1742, 12529), (2278, 9581), (2431, 8978), (4489, 4862)]