21000317736

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51471367}}^1$

素因数の和:51471393

約数の個数: 32

約数和(自身を含む): 55589077440

約数和(自身を除く): 34588759704

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51471367, 102942734, 154414101, 205885468, 308828202, 411770936, 617656404, 875013239, 1235312808, 1750026478, 2625039717, 3500052956, 5250079434, 7000105912, 10500158868, 21000317736]

約数ペア:

[(1, 21000317736), (2, 10500158868), (3, 7000105912), (4, 5250079434), (6, 3500052956), (8, 2625039717), (12, 1750026478), (17, 1235312808), (24, 875013239), (34, 617656404), (51, 411770936), (68, 308828202), (102, 205885468), (136, 154414101), (204, 102942734), (408, 51471367)]