21813732

素因数分解:

$2^2\times 3^3\times {\mathrm{201979}}^1$

素因数の和:201992

約数の個数: 24

約数和(自身を含む): 56554400

約数和(自身を除く): 34740668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 201979, 403958, 605937, 807916, 1211874, 1817811, 2423748, 3635622, 5453433, 7271244, 10906866, 21813732]

約数ペア:

[(1, 21813732), (2, 10906866), (3, 7271244), (4, 5453433), (6, 3635622), (9, 2423748), (12, 1817811), (18, 1211874), (27, 807916), (36, 605937), (54, 403958), (108, 201979)]