21159702

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 47163168

約数和(自身を除く): 26003466

約数列:

[1, 2, 3, 6, 9, 18, 101, 103, 113, 202, 206, 226, 303, 309, 339, 606, 618, 678, 909, 927, 1017, 1818, 1854, 2034, 10403, 11413, 11639, 20806, 22826, 23278, 31209, 34239, 34917, 62418, 68478, 69834, 93627, 102717, 104751, 187254, 205434, 209502, 1175539, 2351078, 3526617, 7053234, 10579851, 21159702]

約数ペア:

[(1, 21159702), (2, 10579851), (3, 7053234), (6, 3526617), (9, 2351078), (18, 1175539), (101, 209502), (103, 205434), (113, 187254), (202, 104751), (206, 102717), (226, 93627), (303, 69834), (309, 68478), (339, 62418), (606, 34917), (618, 34239), (678, 31209), (909, 23278), (927, 22826), (1017, 20806), (1818, 11639), (1854, 11413), (2034, 10403)]