21413506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14511614

約数列:

[1, 2, 17, 23, 34, 46, 139, 197, 278, 391, 394, 782, 2363, 3197, 3349, 4531, 4726, 6394, 6698, 9062, 27383, 54349, 54766, 77027, 108698, 154054, 465511, 629809, 931022, 1259618, 10706753, 21413506]

約数ペア:

[(1, 21413506), (2, 10706753), (17, 1259618), (23, 931022), (34, 629809), (46, 465511), (139, 154054), (197, 108698), (278, 77027), (391, 54766), (394, 54349), (782, 27383), (2363, 9062), (3197, 6698), (3349, 6394), (4531, 4726)]