21071704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3779}}^1$

素因数の和:3843

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 21793496

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3779, 5576, 7558, 15116, 30232, 64243, 128486, 154939, 256972, 309878, 513944, 619756, 1239512, 2633963, 5267926, 10535852, 21071704]

約数ペア:

[(1, 21071704), (2, 10535852), (4, 5267926), (8, 2633963), (17, 1239512), (34, 619756), (41, 513944), (68, 309878), (82, 256972), (136, 154939), (164, 128486), (328, 64243), (697, 30232), (1394, 15116), (2788, 7558), (3779, 5576)]