21838636197

素因数分解:

$3^2\times 7^2\times {\mathrm{347}}^1\times {\mathrm{142711}}^1$

素因数の和:143078

約数の個数: 36

約数和(自身を含む): 36800858016

約数和(自身を除く): 14962221819

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 347, 441, 1041, 2429, 3123, 7287, 17003, 21861, 51009, 142711, 153027, 428133, 998977, 1284399, 2996931, 6992839, 8990793, 20978517, 49520717, 62935551, 148562151, 346645019, 445686453, 1039935057, 2426515133, 3119805171, 7279545399, 21838636197]

約数ペア:

[(1, 21838636197), (3, 7279545399), (7, 3119805171), (9, 2426515133), (21, 1039935057), (49, 445686453), (63, 346645019), (147, 148562151), (347, 62935551), (441, 49520717), (1041, 20978517), (2429, 8990793), (3123, 6992839), (7287, 2996931), (17003, 1284399), (21861, 998977), (51009, 428133), (142711, 153027)]