21491610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3529}}^1$

素因数の和:3575

約数の個数: 64

約数和(自身を含む): 60998400

約数和(自身を除く): 39506790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3529, 6090, 7058, 10587, 17645, 21174, 24703, 35290, 49406, 52935, 74109, 102341, 105870, 123515, 148218, 204682, 247030, 307023, 370545, 511705, 614046, 716387, 741090, 1023410, 1432774, 1535115, 2149161, 3070230, 3581935, 4298322, 7163870, 10745805, 21491610]

約数ペア:

[(1, 21491610), (2, 10745805), (3, 7163870), (5, 4298322), (6, 3581935), (7, 3070230), (10, 2149161), (14, 1535115), (15, 1432774), (21, 1023410), (29, 741090), (30, 716387), (35, 614046), (42, 511705), (58, 370545), (70, 307023), (87, 247030), (105, 204682), (145, 148218), (174, 123515), (203, 105870), (210, 102341), (290, 74109), (406, 52935), (435, 49406), (609, 35290), (870, 24703), (1015, 21174), (1218, 17645), (2030, 10587), (3045, 7058), (3529, 6090)]