21442204

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3529}}^1$

素因数の和:3578

約数の個数: 36

約数和(自身を含む): 45071040

約数和(自身を除く): 23628836

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3529, 6076, 7058, 14116, 24703, 49406, 98812, 109399, 172921, 218798, 345842, 437596, 691684, 765793, 1531586, 3063172, 5360551, 10721102, 21442204]

約数ペア:

[(1, 21442204), (2, 10721102), (4, 5360551), (7, 3063172), (14, 1531586), (28, 765793), (31, 691684), (49, 437596), (62, 345842), (98, 218798), (124, 172921), (196, 109399), (217, 98812), (434, 49406), (868, 24703), (1519, 14116), (3038, 7058), (3529, 6076)]