21897842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 15081358

約数列:

[1, 2, 19, 29, 31, 38, 58, 62, 551, 589, 641, 899, 1102, 1178, 1282, 1798, 12179, 17081, 18589, 19871, 24358, 34162, 37178, 39742, 353191, 377549, 576259, 706382, 755098, 1152518, 10948921, 21897842]

約数ペア:

[(1, 21897842), (2, 10948921), (19, 1152518), (29, 755098), (31, 706382), (38, 576259), (58, 377549), (62, 353191), (551, 39742), (589, 37178), (641, 34162), (899, 24358), (1102, 19871), (1178, 18589), (1282, 17081), (1798, 12179)]