21031338

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 44136576

約数和(自身を除く): 23105238

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 257, 514, 593, 771, 1186, 1542, 1779, 3558, 5911, 11822, 13639, 17733, 27278, 35466, 40917, 81834, 152401, 304802, 457203, 914406, 3505223, 7010446, 10515669, 21031338]

約数ペア:

[(1, 21031338), (2, 10515669), (3, 7010446), (6, 3505223), (23, 914406), (46, 457203), (69, 304802), (138, 152401), (257, 81834), (514, 40917), (593, 35466), (771, 27278), (1186, 17733), (1542, 13639), (1779, 11822), (3558, 5911)]