21000337365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{200003213}}^1$

素因数の和:200003228

約数の個数: 16

約数和(自身を含む): 38400617088

約数和(自身を除く): 17400279723

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 200003213, 600009639, 1000016065, 1400022491, 3000048195, 4200067473, 7000112455, 21000337365]

約数ペア:

[(1, 21000337365), (3, 7000112455), (5, 4200067473), (7, 3000048195), (15, 1400022491), (21, 1000016065), (35, 600009639), (105, 200003213)]