2100156340

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{219223}}^1$

素因数の和:219711

約数の個数: 24

約数和(自身を含む): 4419555840

約数和(自身を除く): 2319399500

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 219223, 438446, 876892, 1096115, 2192230, 4384460, 105007817, 210015634, 420031268, 525039085, 1050078170, 2100156340]

約数ペア:

[(1, 2100156340), (2, 1050078170), (4, 525039085), (5, 420031268), (10, 210015634), (20, 105007817), (479, 4384460), (958, 2192230), (1916, 1096115), (2395, 876892), (4790, 438446), (9580, 219223)]