2021569809

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{11437}}^1$

素因数の和:11909

約数の個数: 32

約数和(自身を含む): 3250222080

約数和(自身を除く): 1228652271

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 443, 1329, 3101, 8417, 9303, 11437, 25251, 34311, 58919, 80059, 176757, 217303, 240177, 651909, 1521121, 4563363, 5066591, 15199773, 35466137, 96265229, 106398411, 288795687, 673856603, 2021569809]

約数ペア:

[(1, 2021569809), (3, 673856603), (7, 288795687), (19, 106398411), (21, 96265229), (57, 35466137), (133, 15199773), (399, 5066591), (443, 4563363), (1329, 1521121), (3101, 651909), (8417, 240177), (9303, 217303), (11437, 176757), (25251, 80059), (34311, 58919)]