21085052994

素因数分解:

$2^1\times 3^2\times {\mathrm{1489}}^1\times {\mathrm{786697}}^1$

素因数の和:788194

約数の個数: 24

約数和(自身を含む): 45715020780

約数和(自身を除く): 24629967786

約数列:

[1, 2, 3, 6, 9, 18, 1489, 2978, 4467, 8934, 13401, 26802, 786697, 1573394, 2360091, 4720182, 7080273, 14160546, 1171391833, 2342783666, 3514175499, 7028350998, 10542526497, 21085052994]

約数ペア:

[(1, 21085052994), (2, 10542526497), (3, 7028350998), (6, 3514175499), (9, 2342783666), (18, 1171391833), (1489, 14160546), (2978, 7080273), (4467, 4720182), (8934, 2360091), (13401, 1573394), (26802, 786697)]