21799491

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13659069

約数列:

[1, 3, 7, 17, 21, 51, 119, 227, 269, 357, 681, 807, 1589, 1883, 3859, 4573, 4767, 5649, 11577, 13719, 27013, 32011, 61063, 81039, 96033, 183189, 427441, 1038071, 1282323, 3114213, 7266497, 21799491]

約数ペア:

[(1, 21799491), (3, 7266497), (7, 3114213), (17, 1282323), (21, 1038071), (51, 427441), (119, 183189), (227, 96033), (269, 81039), (357, 61063), (681, 32011), (807, 27013), (1589, 13719), (1883, 11577), (3859, 5649), (4573, 4767)]