2021189163

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{71347}}^1$

素因数の和:71447

約数の個数: 32

約数和(自身を含む): 3287715840

約数和(自身を除く): 1266526677

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 9443, 28329, 71347, 214041, 499429, 1355593, 1498287, 4066779, 5065637, 9489151, 15196911, 28467453, 35459459, 96247103, 106378377, 288741309, 673729721, 2021189163]

約数ペア:

[(1, 2021189163), (3, 673729721), (7, 288741309), (19, 106378377), (21, 96247103), (57, 35459459), (71, 28467453), (133, 15196911), (213, 9489151), (399, 5065637), (497, 4066779), (1349, 1498287), (1491, 1355593), (4047, 499429), (9443, 214041), (28329, 71347)]