21369088

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6421}}^1$

素因数の和:6450

約数の個数: 36

約数和(自身を含む): 45942988

約数和(自身を除く): 24573900

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6421, 12842, 25684, 51368, 83473, 102736, 166946, 205472, 333892, 410944, 667784, 821888, 1335568, 1643776, 2671136, 5342272, 10684544, 21369088]

約数ペア:

[(1, 21369088), (2, 10684544), (4, 5342272), (8, 2671136), (13, 1643776), (16, 1335568), (26, 821888), (32, 667784), (52, 410944), (64, 333892), (104, 205472), (128, 166946), (208, 102736), (256, 83473), (416, 51368), (832, 25684), (1664, 12842), (3328, 6421)]