21460455760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^2\times {\mathrm{26297}}^1$

素因数の和:26512

約数の個数: 60

約数和(自身を含む): 50396382684

約数和(自身を除く): 28935926924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 10201, 20402, 26297, 40804, 51005, 52594, 81608, 102010, 105188, 131485, 163216, 204020, 210376, 262970, 408040, 420752, 525940, 816080, 1051880, 2103760, 2655997, 5311994, 10623988, 13279985, 21247976, 26559970, 42495952, 53119940, 106239880, 212479760, 268255697, 536511394, 1073022788, 1341278485, 2146045576, 2682556970, 4292091152, 5365113940, 10730227880, 21460455760]

約数ペア:

[(1, 21460455760), (2, 10730227880), (4, 5365113940), (5, 4292091152), (8, 2682556970), (10, 2146045576), (16, 1341278485), (20, 1073022788), (40, 536511394), (80, 268255697), (101, 212479760), (202, 106239880), (404, 53119940), (505, 42495952), (808, 26559970), (1010, 21247976), (1616, 13279985), (2020, 10623988), (4040, 5311994), (8080, 2655997), (10201, 2103760), (20402, 1051880), (26297, 816080), (40804, 525940), (51005, 420752), (52594, 408040), (81608, 262970), (102010, 210376), (105188, 204020), (131485, 163216)]