21781692

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{35591}}^1$

素因数の和:35618

約数の個数: 36

約数和(自身を含む): 58299696

約数和(自身を除く): 36518004

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 35591, 71182, 106773, 142364, 213546, 320319, 427092, 605047, 640638, 1210094, 1281276, 1815141, 2420188, 3630282, 5445423, 7260564, 10890846, 21781692]

約数ペア:

[(1, 21781692), (2, 10890846), (3, 7260564), (4, 5445423), (6, 3630282), (9, 2420188), (12, 1815141), (17, 1281276), (18, 1210094), (34, 640638), (36, 605047), (51, 427092), (68, 320319), (102, 213546), (153, 142364), (204, 106773), (306, 71182), (612, 35591)]