21860943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1151}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 31481856

約数和(自身を除く): 9620913

約数列:

[1, 3, 13, 39, 487, 1151, 1461, 3453, 6331, 14963, 18993, 44889, 560537, 1681611, 7286981, 21860943]

約数ペア:

[(1, 21860943), (3, 7286981), (13, 1681611), (39, 560537), (487, 44889), (1151, 18993), (1461, 14963), (3453, 6331)]