21000852390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100004059}}^1$

素因数の和:100004076

約数の個数: 32

約数和(自身を含む): 57602338560

約数和(自身を除く): 36601486170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100004059, 200008118, 300012177, 500020295, 600024354, 700028413, 1000040590, 1400056826, 1500060885, 2100085239, 3000121770, 3500142065, 4200170478, 7000284130, 10500426195, 21000852390]

約数ペア:

[(1, 21000852390), (2, 10500426195), (3, 7000284130), (5, 4200170478), (6, 3500142065), (7, 3000121770), (10, 2100085239), (14, 1500060885), (15, 1400056826), (21, 1000040590), (30, 700028413), (35, 600024354), (42, 500020295), (70, 300012177), (105, 200008118), (210, 100004059)]