21354442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14570678

約数列:

[1, 2, 19, 23, 38, 46, 53, 106, 437, 461, 874, 922, 1007, 1219, 2014, 2438, 8759, 10603, 17518, 21206, 23161, 24433, 46322, 48866, 201457, 402914, 464227, 561959, 928454, 1123918, 10677221, 21354442]

約数ペア:

[(1, 21354442), (2, 10677221), (19, 1123918), (23, 928454), (38, 561959), (46, 464227), (53, 402914), (106, 201457), (437, 48866), (461, 46322), (874, 24433), (922, 23161), (1007, 21206), (1219, 17518), (2014, 10603), (2438, 8759)]