21071118100

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{21107}}^1$

素因数の和:21337

約数の個数: 72

約数和(自身を含む): 46720447200

約数和(自身を除く): 25649329100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 149, 268, 298, 335, 596, 670, 745, 1340, 1490, 1675, 2980, 3350, 3725, 6700, 7450, 9983, 14900, 19966, 21107, 39932, 42214, 49915, 84428, 99830, 105535, 199660, 211070, 249575, 422140, 499150, 527675, 998300, 1055350, 1414169, 2110700, 2828338, 3144943, 5656676, 6289886, 7070845, 12579772, 14141690, 15724715, 28283380, 31449430, 35354225, 62898860, 70708450, 78623575, 141416900, 157247150, 210711181, 314494300, 421422362, 842844724, 1053555905, 2107111810, 4214223620, 5267779525, 10535559050, 21071118100]

約数ペア:

[(1, 21071118100), (2, 10535559050), (4, 5267779525), (5, 4214223620), (10, 2107111810), (20, 1053555905), (25, 842844724), (50, 421422362), (67, 314494300), (100, 210711181), (134, 157247150), (149, 141416900), (268, 78623575), (298, 70708450), (335, 62898860), (596, 35354225), (670, 31449430), (745, 28283380), (1340, 15724715), (1490, 14141690), (1675, 12579772), (2980, 7070845), (3350, 6289886), (3725, 5656676), (6700, 3144943), (7450, 2828338), (9983, 2110700), (14900, 1414169), (19966, 1055350), (21107, 998300), (39932, 527675), (42214, 499150), (49915, 422140), (84428, 249575), (99830, 211070), (105535, 199660)]