21415804550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{861803}}^1$

素因数の和:861893

約数の個数: 48

約数和(自身を含む): 46165116672

約数和(自身を除く): 24749312122

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 710, 994, 1775, 2485, 3550, 4970, 12425, 24850, 861803, 1723606, 4309015, 6032621, 8618030, 12065242, 21545075, 30163105, 43090150, 60326210, 61188013, 122376026, 150815525, 301631050, 305940065, 428316091, 611880130, 856632182, 1529700325, 2141580455, 3059400650, 4283160910, 10707902275, 21415804550]

約数ペア:

[(1, 21415804550), (2, 10707902275), (5, 4283160910), (7, 3059400650), (10, 2141580455), (14, 1529700325), (25, 856632182), (35, 611880130), (50, 428316091), (70, 305940065), (71, 301631050), (142, 150815525), (175, 122376026), (350, 61188013), (355, 60326210), (497, 43090150), (710, 30163105), (994, 21545075), (1775, 12065242), (2485, 8618030), (3550, 6032621), (4970, 4309015), (12425, 1723606), (24850, 861803)]