21455448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127711}}^1$

素因数の和:127727

約数の個数: 32

約数和(自身を含む): 61301760

約数和(自身を除く): 39846312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127711, 255422, 383133, 510844, 766266, 893977, 1021688, 1532532, 1787954, 2681931, 3065064, 3575908, 5363862, 7151816, 10727724, 21455448]

約数ペア:

[(1, 21455448), (2, 10727724), (3, 7151816), (4, 5363862), (6, 3575908), (7, 3065064), (8, 2681931), (12, 1787954), (14, 1532532), (21, 1021688), (24, 893977), (28, 766266), (42, 510844), (56, 383133), (84, 255422), (168, 127711)]