21195798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{619}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 45830400

約数和(自身を除く): 24634602

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 439, 619, 878, 1238, 1317, 1857, 2634, 3714, 5707, 8047, 11414, 16094, 17121, 24141, 34242, 48282, 271741, 543482, 815223, 1630446, 3532633, 7065266, 10597899, 21195798]

約数ペア:

[(1, 21195798), (2, 10597899), (3, 7065266), (6, 3532633), (13, 1630446), (26, 815223), (39, 543482), (78, 271741), (439, 48282), (619, 34242), (878, 24141), (1238, 17121), (1317, 16094), (1857, 11414), (2634, 8047), (3714, 5707)]