21085860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3623}}^1$

素因数の和:3732

約数の個数: 48

約数和(自身を含む): 59665536

約数和(自身を除く): 38579676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3623, 5820, 7246, 10869, 14492, 18115, 21738, 36230, 43476, 54345, 72460, 108690, 217380, 351431, 702862, 1054293, 1405724, 1757155, 2108586, 3514310, 4217172, 5271465, 7028620, 10542930, 21085860]

約数ペア:

[(1, 21085860), (2, 10542930), (3, 7028620), (4, 5271465), (5, 4217172), (6, 3514310), (10, 2108586), (12, 1757155), (15, 1405724), (20, 1054293), (30, 702862), (60, 351431), (97, 217380), (194, 108690), (291, 72460), (388, 54345), (485, 43476), (582, 36230), (970, 21738), (1164, 18115), (1455, 14492), (1940, 10869), (2910, 7246), (3623, 5820)]