21015882

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16921}}^1$

素因数の和:16955

約数の個数: 32

約数和(自身を含む): 48735360

約数和(自身を除く): 27719478

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16921, 33842, 50763, 101526, 152289, 304578, 389183, 456867, 778366, 913734, 1167549, 2335098, 3502647, 7005294, 10507941, 21015882]

約数ペア:

[(1, 21015882), (2, 10507941), (3, 7005294), (6, 3502647), (9, 2335098), (18, 1167549), (23, 913734), (27, 778366), (46, 456867), (54, 389183), (69, 304578), (138, 152289), (207, 101526), (414, 50763), (621, 33842), (1242, 16921)]