21584038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 39709440

約数和(自身を除く): 18125402

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1531, 2014, 3062, 7049, 10717, 14098, 21434, 29089, 58178, 81143, 162286, 203623, 407246, 568001, 1136002, 1541717, 3083434, 10792019, 21584038]

約数ペア:

[(1, 21584038), (2, 10792019), (7, 3083434), (14, 1541717), (19, 1136002), (38, 568001), (53, 407246), (106, 203623), (133, 162286), (266, 81143), (371, 58178), (742, 29089), (1007, 21434), (1531, 14098), (2014, 10717), (3062, 7049)]