21000340850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13548607}}^1$

素因数の和:13548650

約数の個数: 24

約数和(自身を含む): 40320657408

約数和(自身を除く): 19320316558

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13548607, 27097214, 67743035, 135486070, 338715175, 420006817, 677430350, 840013634, 2100034085, 4200068170, 10500170425, 21000340850]

約数ペア:

[(1, 21000340850), (2, 10500170425), (5, 4200068170), (10, 2100034085), (25, 840013634), (31, 677430350), (50, 420006817), (62, 338715175), (155, 135486070), (310, 67743035), (775, 27097214), (1550, 13548607)]