21814419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 12151149

約数列:

[1, 3, 11, 23, 33, 41, 69, 123, 253, 451, 701, 759, 943, 1353, 2103, 2829, 7711, 10373, 16123, 23133, 28741, 31119, 48369, 86223, 177353, 316151, 532059, 661043, 948453, 1983129, 7271473, 21814419]

約数ペア:

[(1, 21814419), (3, 7271473), (11, 1983129), (23, 948453), (33, 661043), (41, 532059), (69, 316151), (123, 177353), (253, 86223), (451, 48369), (701, 31119), (759, 28741), (943, 23133), (1353, 16123), (2103, 10373), (2829, 7711)]