21584073485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{150869}}^1$

素因数の和:150989

約数の個数: 32

約数和(自身を含む): 29198776320

約数和(自身を除く): 7614702835

約数列:

[1, 5, 13, 31, 65, 71, 155, 355, 403, 923, 2015, 2201, 4615, 11005, 28613, 143065, 150869, 754345, 1961297, 4676939, 9806485, 10711699, 23384695, 53558495, 60800207, 139252087, 304001035, 332062669, 696260435, 1660313345, 4316814697, 21584073485]

約数ペア:

[(1, 21584073485), (5, 4316814697), (13, 1660313345), (31, 696260435), (65, 332062669), (71, 304001035), (155, 139252087), (355, 60800207), (403, 53558495), (923, 23384695), (2015, 10711699), (2201, 9806485), (4615, 4676939), (11005, 1961297), (28613, 754345), (143065, 150869)]