21751732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{569}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 18467468

約数列:

[1, 2, 4, 19, 38, 76, 503, 569, 1006, 1138, 2012, 2276, 9557, 10811, 19114, 21622, 38228, 43244, 286207, 572414, 1144828, 5437933, 10875866, 21751732]

約数ペア:

[(1, 21751732), (2, 10875866), (4, 5437933), (19, 1144828), (38, 572414), (76, 286207), (503, 43244), (569, 38228), (1006, 21622), (1138, 19114), (2012, 10811), (2276, 9557)]