21656300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12739}}^1$

素因数の和:12770

約数の個数: 36

約数和(自身を含む): 49762440

約数和(自身を除く): 28106140

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12739, 25478, 50956, 63695, 127390, 216563, 254780, 318475, 433126, 636950, 866252, 1082815, 1273900, 2165630, 4331260, 5414075, 10828150, 21656300]

約数ペア:

[(1, 21656300), (2, 10828150), (4, 5414075), (5, 4331260), (10, 2165630), (17, 1273900), (20, 1082815), (25, 866252), (34, 636950), (50, 433126), (68, 318475), (85, 254780), (100, 216563), (170, 127390), (340, 63695), (425, 50956), (850, 25478), (1700, 12739)]