21232834

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 16651838

約数列:

[1, 2, 7, 14, 41, 71, 82, 142, 287, 497, 521, 574, 994, 1042, 2911, 3647, 5822, 7294, 20377, 21361, 36991, 40754, 42722, 73982, 149527, 258937, 299054, 517874, 1516631, 3033262, 10616417, 21232834]

約数ペア:

[(1, 21232834), (2, 10616417), (7, 3033262), (14, 1516631), (41, 517874), (71, 299054), (82, 258937), (142, 149527), (287, 73982), (497, 42722), (521, 40754), (574, 36991), (994, 21361), (1042, 20377), (2911, 7294), (3647, 5822)]