21031728

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^2\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 60

約数和(自身を含む): 56378088

約数和(自身を除く): 35346360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 521, 696, 841, 1042, 1392, 1563, 1682, 2084, 2523, 3126, 3364, 4168, 5046, 6252, 6728, 8336, 10092, 12504, 13456, 15109, 20184, 25008, 30218, 40368, 45327, 60436, 90654, 120872, 181308, 241744, 362616, 438161, 725232, 876322, 1314483, 1752644, 2628966, 3505288, 5257932, 7010576, 10515864, 21031728]

約数ペア:

[(1, 21031728), (2, 10515864), (3, 7010576), (4, 5257932), (6, 3505288), (8, 2628966), (12, 1752644), (16, 1314483), (24, 876322), (29, 725232), (48, 438161), (58, 362616), (87, 241744), (116, 181308), (174, 120872), (232, 90654), (348, 60436), (464, 45327), (521, 40368), (696, 30218), (841, 25008), (1042, 20184), (1392, 15109), (1563, 13456), (1682, 12504), (2084, 10092), (2523, 8336), (3126, 6728), (3364, 6252), (4168, 5046)]