21471444

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31391}}^1$

素因数の和:31420

約数の個数: 36

約数和(自身を含む): 57133440

約数和(自身を除く): 35661996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31391, 62782, 94173, 125564, 188346, 282519, 376692, 565038, 596429, 1130076, 1192858, 1789287, 2385716, 3578574, 5367861, 7157148, 10735722, 21471444]

約数ペア:

[(1, 21471444), (2, 10735722), (3, 7157148), (4, 5367861), (6, 3578574), (9, 2385716), (12, 1789287), (18, 1192858), (19, 1130076), (36, 596429), (38, 565038), (57, 376692), (76, 282519), (114, 188346), (171, 125564), (228, 94173), (342, 62782), (684, 31391)]