21436415900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4985213}}^1$

素因数の和:4985270

約数の個数: 36

約数和(自身を含む): 47598823272

約数和(自身を除く): 26162407372

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 4985213, 9970426, 19940852, 24926065, 49852130, 99704260, 124630325, 214364159, 249260650, 428728318, 498521300, 857456636, 1071820795, 2143641590, 4287283180, 5359103975, 10718207950, 21436415900]

約数ペア:

[(1, 21436415900), (2, 10718207950), (4, 5359103975), (5, 4287283180), (10, 2143641590), (20, 1071820795), (25, 857456636), (43, 498521300), (50, 428728318), (86, 249260650), (100, 214364159), (172, 124630325), (215, 99704260), (430, 49852130), (860, 24926065), (1075, 19940852), (2150, 9970426), (4300, 4985213)]