42208215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21157}}^1$

素因数の和:21191

約数の個数: 32

約数和(自身を含む): 81246720

約数和(自身を除く): 39038505

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 21157, 63471, 105785, 148099, 317355, 401983, 444297, 740495, 1205949, 2009915, 2221485, 2813881, 6029745, 8441643, 14069405, 42208215]

約数ペア:

[(1, 42208215), (3, 14069405), (5, 8441643), (7, 6029745), (15, 2813881), (19, 2221485), (21, 2009915), (35, 1205949), (57, 740495), (95, 444297), (105, 401983), (133, 317355), (285, 148099), (399, 105785), (665, 63471), (1995, 21157)]