21173640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1747}}^1$

素因数の和:1862

約数の個数: 64

約数和(自身を含む): 64186560

約数和(自身を除く): 43012920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1747, 2020, 2424, 3030, 3494, 4040, 5241, 6060, 6988, 8735, 10482, 12120, 13976, 17470, 20964, 26205, 34940, 41928, 52410, 69880, 104820, 176447, 209640, 352894, 529341, 705788, 882235, 1058682, 1411576, 1764470, 2117364, 2646705, 3528940, 4234728, 5293410, 7057880, 10586820, 21173640]

約数ペア:

[(1, 21173640), (2, 10586820), (3, 7057880), (4, 5293410), (5, 4234728), (6, 3528940), (8, 2646705), (10, 2117364), (12, 1764470), (15, 1411576), (20, 1058682), (24, 882235), (30, 705788), (40, 529341), (60, 352894), (101, 209640), (120, 176447), (202, 104820), (303, 69880), (404, 52410), (505, 41928), (606, 34940), (808, 26205), (1010, 20964), (1212, 17470), (1515, 13976), (1747, 12120), (2020, 10482), (2424, 8735), (3030, 6988), (3494, 6060), (4040, 5241)]