21332835

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5449}}^1$

素因数の和:5492

約数の個数: 32

約数和(自身を含む): 39240000

約数和(自身を除く): 17907165

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5449, 16347, 27245, 49041, 81735, 147123, 158021, 245205, 474063, 735615, 790105, 1422189, 2370315, 4266567, 7110945, 21332835]

約数ペア:

[(1, 21332835), (3, 7110945), (5, 4266567), (9, 2370315), (15, 1422189), (27, 790105), (29, 735615), (45, 474063), (87, 245205), (135, 158021), (145, 147123), (261, 81735), (435, 49041), (783, 27245), (1305, 16347), (3915, 5449)]