21197804518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{57173}}^1$

素因数の和:58092

約数の個数: 32

約数和(自身を含む): 36554768640

約数和(自身を除く): 15356964122

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 887, 1774, 9757, 16853, 19514, 33706, 57173, 114346, 185383, 370766, 628903, 1086287, 1257806, 2172574, 11949157, 23898314, 50712451, 101424902, 557836961, 963536569, 1115673922, 1927073138, 10598902259, 21197804518]

約数ペア:

[(1, 21197804518), (2, 10598902259), (11, 1927073138), (19, 1115673922), (22, 963536569), (38, 557836961), (209, 101424902), (418, 50712451), (887, 23898314), (1774, 11949157), (9757, 2172574), (16853, 1257806), (19514, 1086287), (33706, 628903), (57173, 370766), (114346, 185383)]