21582670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3917}}^1$

素因数の和:3972

約数の個数: 32

約数和(自身を含む): 42314400

約数和(自身を除く): 20731730

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3917, 5510, 7834, 19585, 39170, 74423, 113593, 148846, 227186, 372115, 567965, 744230, 1135930, 2158267, 4316534, 10791335, 21582670]

約数ペア:

[(1, 21582670), (2, 10791335), (5, 4316534), (10, 2158267), (19, 1135930), (29, 744230), (38, 567965), (58, 372115), (95, 227186), (145, 148846), (190, 113593), (290, 74423), (551, 39170), (1102, 19585), (2755, 7834), (3917, 5510)]