21752850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20717}}^1$

素因数の和:20739

約数の個数: 48

約数和(自身を含む): 61656768

約数和(自身を除く): 39903918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20717, 41434, 62151, 103585, 124302, 145019, 207170, 290038, 310755, 435057, 517925, 621510, 725095, 870114, 1035850, 1450190, 1553775, 2175285, 3107550, 3625475, 4350570, 7250950, 10876425, 21752850]

約数ペア:

[(1, 21752850), (2, 10876425), (3, 7250950), (5, 4350570), (6, 3625475), (7, 3107550), (10, 2175285), (14, 1553775), (15, 1450190), (21, 1035850), (25, 870114), (30, 725095), (35, 621510), (42, 517925), (50, 435057), (70, 310755), (75, 290038), (105, 207170), (150, 145019), (175, 124302), (210, 103585), (350, 62151), (525, 41434), (1050, 20717)]