21582418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 42239232

約数和(自身を除く): 20656814

約数列:

[1, 2, 11, 13, 17, 22, 23, 26, 34, 46, 143, 187, 193, 221, 253, 286, 299, 374, 386, 391, 442, 506, 598, 782, 2123, 2431, 2509, 3281, 3289, 4246, 4301, 4439, 4862, 5018, 5083, 6562, 6578, 8602, 8878, 10166, 27599, 36091, 42653, 48829, 55198, 55913, 57707, 72182, 75463, 85306, 97658, 111826, 115414, 150926, 469183, 634777, 830093, 938366, 981019, 1269554, 1660186, 1962038, 10791209, 21582418]

約数ペア:

[(1, 21582418), (2, 10791209), (11, 1962038), (13, 1660186), (17, 1269554), (22, 981019), (23, 938366), (26, 830093), (34, 634777), (46, 469183), (143, 150926), (187, 115414), (193, 111826), (221, 97658), (253, 85306), (286, 75463), (299, 72182), (374, 57707), (386, 55913), (391, 55198), (442, 48829), (506, 42653), (598, 36091), (782, 27599), (2123, 10166), (2431, 8878), (2509, 8602), (3281, 6578), (3289, 6562), (4246, 5083), (4301, 5018), (4439, 4862)]