21136132

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3917}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 39493440

約数和(自身を除く): 18357308

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3917, 5396, 7834, 15668, 74423, 148846, 278107, 297692, 556214, 1112428, 5284033, 10568066, 21136132]

約数ペア:

[(1, 21136132), (2, 10568066), (4, 5284033), (19, 1112428), (38, 556214), (71, 297692), (76, 278107), (142, 148846), (284, 74423), (1349, 15668), (2698, 7834), (3917, 5396)]