21132332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 42641760

約数和(自身を除く): 21509428

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 73, 76, 146, 247, 292, 293, 494, 586, 949, 988, 1172, 1387, 1898, 2774, 3796, 3809, 5548, 5567, 7618, 11134, 15236, 18031, 21389, 22268, 36062, 42778, 72124, 72371, 85556, 144742, 278057, 289484, 406391, 556114, 812782, 1112228, 1625564, 5283083, 10566166, 21132332]

約数ペア:

[(1, 21132332), (2, 10566166), (4, 5283083), (13, 1625564), (19, 1112228), (26, 812782), (38, 556114), (52, 406391), (73, 289484), (76, 278057), (146, 144742), (247, 85556), (292, 72371), (293, 72124), (494, 42778), (586, 36062), (949, 22268), (988, 21389), (1172, 18031), (1387, 15236), (1898, 11134), (2774, 7618), (3796, 5567), (3809, 5548)]