21228700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11173}}^1$

素因数の和:11206

約数の個数: 36

約数和(自身を含む): 48495160

約数和(自身を除く): 27266460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11173, 22346, 44692, 55865, 111730, 212287, 223460, 279325, 424574, 558650, 849148, 1061435, 1117300, 2122870, 4245740, 5307175, 10614350, 21228700]

約数ペア:

[(1, 21228700), (2, 10614350), (4, 5307175), (5, 4245740), (10, 2122870), (19, 1117300), (20, 1061435), (25, 849148), (38, 558650), (50, 424574), (76, 279325), (95, 223460), (100, 212287), (190, 111730), (380, 55865), (475, 44692), (950, 22346), (1900, 11173)]