21144006

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90359}}^1$

素因数の和:90380

約数の個数: 24

約数和(自身を含む): 49336560

約数和(自身を除く): 28192554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90359, 180718, 271077, 542154, 813231, 1174667, 1626462, 2349334, 3524001, 7048002, 10572003, 21144006]

約数ペア:

[(1, 21144006), (2, 10572003), (3, 7048002), (6, 3524001), (9, 2349334), (13, 1626462), (18, 1174667), (26, 813231), (39, 542154), (78, 271077), (117, 180718), (234, 90359)]