21000504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125003}}^1$

素因数の和:125019

約数の個数: 32

約数和(自身を含む): 60001920

約数和(自身を除く): 39001416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125003, 250006, 375009, 500012, 750018, 875021, 1000024, 1500036, 1750042, 2625063, 3000072, 3500084, 5250126, 7000168, 10500252, 21000504]

約数ペア:

[(1, 21000504), (2, 10500252), (3, 7000168), (4, 5250126), (6, 3500084), (7, 3000072), (8, 2625063), (12, 1750042), (14, 1500036), (21, 1000024), (24, 875021), (28, 750018), (42, 500012), (56, 375009), (84, 250006), (168, 125003)]