21457004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6007}}^1$

素因数の和:6077

約数の個数: 24

約数和(自身を含む): 40373760

約数和(自身を除く): 18916756

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 6007, 12014, 24028, 114133, 228266, 282329, 456532, 564658, 1129316, 5364251, 10728502, 21457004]

約数ペア:

[(1, 21457004), (2, 10728502), (4, 5364251), (19, 1129316), (38, 564658), (47, 456532), (76, 282329), (94, 228266), (188, 114133), (893, 24028), (1786, 12014), (3572, 6007)]